List of Papers (since 1989, all papers are written in English)

2020

406

PEFC Catalyst Layers: Effect of Support Microstructure on Both Distributions of Pt and Ionomer and Cell Performance and Durability

M. Uchida
Curr. Opin. Electrochem., 21, 209–218 (2020).

405

Sulfonated Poly(arylene perfluoroalkylene) Terpolymers as Novel Proton Exchange Membranes for High Performance Fuel Cells

Z. Long, J. Miyake, and K. Miyatake
Bull. Chem. Soc. Jpn., 93 338-344 (2020).

404

Differences in the Synthetic Method Affected Copolymer Sequence and Membrane Properties of Sulfonated Polymers

I. Hosaka, T. Sawano, T. Kimura, A. Matsumoto, J. Miyake, and K. Miyatake
Bull. Chem. Soc. Jpn., 93 393-398 (2020).

403

Unparalleled Mitigation of Membrane Degradation in Fuel Cells via a Counter-Intuitive Approach: Suppression of H₂O₂ Production at the Hydrogen Anode Using a Pt_skin–PtCo Catalyst

G. Shi, D. A. Tryk, T. Iwataki, H. Yano, M. Uchida, A. Iiyama, H. Uchida
J. Mater. Chem. A, 8, 1091-1094 (2020).

402

Enhancement of Hydrogen Evolution Activity on Pt-Skin/Pt₃Co [(111), (100), and (110)] Single Crystal Electrodes

S. Kobayashi, D. A. Tryk, H. Uchida
Electrochem. Commun., 110, 106615 (2020).

401

Highly Anion Conductive Polymers: How Do Hexafluoroisopropylidene Groups Affect Membrane Properties and Alkaline Fuel Cell Performance?

T. Kimura, A. Matsumoto, J. Inukai, and K. Miyatake
ACS Appl. Energy Mater., 3, 469-477 (2020).

2019

400

Potential Cycle-Induced Change in the Crystal Structure of a Pt-Skin/PtCo Alloy Nanostructured Electrocatalyst for Fuel Cells

H. Yano, N. Takao, M. Arao, M. Matsumoto, T. Itoh, H. Imai, A. Iiyama, J. Inukai, H. Uchida
ACS Appl. Nano Mater., 2, 7473-7477 (2019).

399

Partially Fluorinated Copolymers Containing Pendant Piperidinium Head Groups as Anion Exchange Membranes for Alkaline Fuel Cells

D. Koronka, A. Matsumoto, K. Otsuji, and K. Miyatake
RSC Adv., 9, 37391-37402 (2019).

398

Effect of Core-Alloy Composition and Particle Size of Stabilized Pt Skin/PtCo Alloy Nanocatalysts on the CO-Tolerant Hydrogen Oxidation Electrocatalysis

G. Shi, H. Yano, D. A. Tryk, A. Iiyama, H. Uchida
Electrochim. Acta., 328, 133056 (2019).

397

Partially Fluorinated Polyphenylene Ionomers as Proton Exchange Membranes for Fuel Cells: Effect of Pendant Multi-Sulfophenylene Groups

Z. Long, J. Miyake, and K. Miyatake
ACS Appl. Energy Mater., 2 7527-7534 (2019).

396

Electronic States and Transport Phenomena of Pt Nanoparticle Catalysts Supported on Nb-Doped SnO₂ for Polymer Electrolyte Fuel Cells

K. Kakinuma, K. Suda, R. Kobayashi, T. Tano, C. Arata, I. Amemiya, S. Watanabe, M. Matsumoto, H. Imai, A. Iiyama, and M. Uchida
ACS Appl. Mater. Interfaces, 11, 34957-34963 (2019).

395

Sublayered Structures of Hydrated Nafion® Thin Film Formed by Casting on Pt Substrate Analyzed by X-ray Absorption Spectroscopy under Ambient Conditions and Neutron Reflectometry at Temperature of 80°C and Relative Humidity of 30–80%

T. Kawamoto, M. Aoki, T. Kimura, P. Chinapang, T. Mizusawa, N. L. Yamada, F. Nemoto, T. Watanabe, H. Tanida, M. Matsumoto, H. Imai, J. Miyake, K. Miyatake, and J. Inukai
Electrochemistry, 87, 270-275 (2019).

394

Further Improvement in Performances of La_0.6Sr_0.4Co_0.2Fe_0.8O_3－δ - Doped Ceria Composite Oxygen Electrodes with Infiltrated Doped Ceria Nanoparticles for Reversible Solid Oxide Cells

M. E. Brito, H. Morishita, J. Yamada, H. Nishino, H. Uchida
J. Power Sources, 427, 293-298 (2019).

393

In-Plane Distribution of Water Inside Nafion® Thin Film Analyzed by Neutron Reflectivity at Temperature of 80 °C and Relative Humidity of 30%–80% Based on 4-Layered Structural Model

T. Kawamoto, M. Aoki, T. Kimura, T. Mizusawa, N. L. Yamada, J. Miyake, K. Miyatake and J. Inukai
Jpn. J. Appl. Phys., 58, SIID01-1 - SIID01-5 (2019).

392

Highly Stable Polyphenylene Ionomer Membranes from Dichlorobiphenyls

K. Shiino, J. Miyake, and K. Miyatake
Chem. Commun., 55 7073-7076 (2019).

391

Effect of Alkanediol Additives on the Properties of Polyphenylene-Based Proton Exchange Membranes

Z. Long, Y. Zhang, J. Miyake, and K. Miyatake
Ind. Eng. Chem. Res., 58, 9915-9920 (2019).

390

Development and Analysis of an Innovative Flat-Metal Separator Integrating the GDL with Gas-Flow Channels as PEFC Components

M. Watanabe, H. Yanai, and M. Nasu
J. Electrochem. Soc., 166, F3210-F3215 (2019).

389

Electro-Oxidation of CO Saturated in 0.1 M HClO₄ on Basal and Stepped Pt Single-Crystal Electrodes at Room Temperature Accompanied by Surface Reconstruction

K. Abe, H. Uchida, and J. Inukai
Surfaces 2019, 2, 315-325 (2019).

388

Effect of Crosslinking on the Properties of Partially Fluorinated Anion Exchange Membranes

D. Koronka, A. Mohamed, K. Miyatake
J. Polym. Sci. A: Polym. Chem. 57, 1059-1069 (2019).

387

Durability of Newly Developed Polyphenylene-Based Ionomer Membranes in Polymer Electrolyte Fuel Cells: Accelerated Stress Evaluation

R. Shimizu, K. Otsuji, A. Masuda, N. Sato, M. Kusakabe, A. Iiyama, K. Miyatake, M. Uchida
J. Electrochem. Soc., 166, F3105-F3110 (2019).

386

High Hydrogen Evolution Activity and Suppressed H₂O₂ Production on Pt-Skin/PtFe Alloy Nanocatalysts for Proton Exchange Membrane Water Electrolysis

G. Shi, H. Yano, D. A. Tryk, S. Nohara, H. Uchida
Phys. Chem. Chem. Phys., 21, 2861-2865 (2019).

385

Effect of Electronic Conductivities of Iridium Oxide/Doped SnO₂ Oxygen-Evolving Catalysts on the Polarization Properties in Proton Exchange Membrane Water Electrolysis

H. Ohno, S. Nohara, K. Kakinuma, M. Uchida, H. Uchida
Catalysts, 9, 74 (2019).

2018

384

Platinum Anti-Dissolution Mechanism of Pt/Nb-SnO₂ Cathode Catalyst Layer during Load Cycling in the Presence of Oxygen for Polymer Electrolyte Fuel Cells

C. Takei, R. Kobayashi, Y. Mizushita, Y. Hiramitsu, K. Kakinuma, and M. Uchida
J. Electrochem. Soc., 165, F1300-F1311 (2018).

383

Sulfonated Aromatic Polymers Containing Hexafluoroisopropylidene Groups: Simple but Effective Structure for Fuel Cell Membranes

J. Ahn, R. Shimizu, and K. Miyatake
J. Mater. Chem. A, 6, 24625-24632 (2018).

382

Structurally Well-Defined Anion Exchange Membranes Containing Perfluoroalkyl and Ammonium-Functionalized Fluorenyl Groups

M. Ozawa, T. Kimura, K. Otsuji, R. Akiyama, J. Miyake, M. Uchida, J. Inukai, and K. Miyatake
ACS Omega, 3, 16143-16149 (2018).

381

Discerning the Redox-Dependent Electronic and Interfacial Structures in Electroactive Self-Assembled Monolayers

R. A. Wong, Y. Yokota, M. Wakisaka, J. Inukai, and Y. Kim
J. Am. Chem. Soc., 140, 13672-13679 (2018).

380

Effects of Sulfate on the Oxygen Reduction Reaction Activity on Stabilized Pt Skin/PtCo Alloy Catalysts from 30 to 80 ℃

H. Nishikawa, H. Yano, J. Inukai, D. A. Tryk, A. Iiyama, H. Uchida
Langmuir, 34, 13558-13564 (2018).

379

Oxygen Evolution Reaction on Perovskites: A Multieffect Descriptor Study Combining Experimental and Theoretical Methods

X. Cheng, E. Fabbri, Y. Yamashita, I. E. Castelli, B. Kim, M. Uchida, R. Haumont, I. Puente-Orench, T. J. Schmidt
ACS Catal., 8, 9567-9578 (2018).

378

Influence of Ionomer Content on Both Cell Performance and Load Cycle Durability for Polymer Electrolyte Fuel Cells Using Pt/Nb-SnO₂ Cathode Catalyst Layers

K. Kakinuma, R. Kobayashi, A. Iiyama, M. Uchida
J. Electrochem. Soc., 165, J3083-J3089 (2018).

377

Sulfonated Terpolymers Containing Alkylene and Perfluoroalkylene Groups: Effect of Aliphatic Groups on Membrane Properties and Interface with the Catalyst Layers

J. Ahn and K. Miyatake
ACS. Appl. Energy Mater., 1, 3965-3972 (2018).

376

PtNi Alloy Nanoparticles Prepared by Nanocapsule Method for ORR Catalysts in Alkaline Media

K. Miyatake and Y. Shimizu
Bull. Chem. Soc. Jpn., 91, 1495-1497 (2018).

375

Optimization of Pendant Chain Length in Partially Fluorinated Aromatic Anion Exchange Membranes for Alkaline Fuel Cells

A. M. A. Mahmoud and K. Miyatake
J. Mater. Chem. A, 6, 14400-14409 (2018).

374

Structurally Well-Defined Anion Conductive Aromatic Copolymers: Effect of the Side-Chain Length

R. Akiyama, N. Yokota, K. Otsuji, and K. Miyatake
Macromolecules, 51, 3394-3404 (2018).

373

Achievement of Distinctively High Durability at Nanosized Pt Catalysts Supported on Carbon Black for Fuel Cell Cathodes

M. Watanabe, H. Yano, H. Uchida, D. A. Tryk
J. Electroanal. Chem., 819, 359-364 (2018).

372

Synthesis and Evaluation of Double-Layer Electrodes Using a NiBaCe_0.50Zr_0.27Y_0.20Ni_0.03O_3−δ Cermet with a Fused-Aggregate Network Structure as the Hydrogen Electrode of Solid Oxide Cells

R. Nishikawa, H. Nishino, M. E. Brito, K. Kakinuma
J. Ceram. Soc. Jpn., 126, 208-213 (2018).

371

Versatile Synthesis of Sulfonated Aromatic Copolymers Using NiBr₂

I. Hosaka, M. Kusakabe, and K. Miyatake
Chem. Lett., 47, 257-259 (2018).

370

Remarkable Reinforcement Effect in Sulfonated Aromatic Polymers as Fuel Cell Membrane

J. Miyake, M. Kusakabe, A. Tsutsumida, and K. Miyatake
ACS Appl. Energy Mater., 1, 1233-1238 (2018).

369

Sulfonated Phenylene/Quinquephenylene/Perfluoroalkylene Terpolymers as Proton Exchange Membranes for Fuel Cells

Y. Zhang, J. Miyake, R. Akiyama, R. Shimizu, and K. Miyatake
ACS Appl. Energy Mater., 1, 1008-1015 (2018).

368

Effects of Both Oxygen Permeability and Ion Exchange Capacity for Cathode Ionomers on the Performance and Durability of Polymer Electrolyte Fuel Cells

R. Shimizu, Y.-C. Park, K. Kakinuma, A. Iiyama, M. Uchida
J. Electrochem. Soc, 165, F3063-F3071 (2018).

367

Phase Separation and Ion Conductivity in the Bulk and at the Surface of Anion Exchange Membranes with Different Ion Exchange Capacities at Different Humidities

T. Kimura, R. Akiyama, K. Miyatake, and J. Inukai
J. Power Sources, 375, 397-403 (2018).

366

Mechanism of H₂O₂ Decomposition by Triphenylphosphine Oxide

T. Tsuneda, J. Miyake, and K. Miyatake
ACS Omega, 3, 259-265 (2018).

365

Atomically Flat Pt Skin and Striking Enrichment of Co in Underlying Alloy at Pt₃Co(111) Single Crystal with Unprecedented Activity for the Oxygen Reduction Reaction

S. Kobayashi, M. Aoki, M. Wakisaka, T. Kawamoto, R. Shirasaka, K. Suda, D. A. Tryk, J. Inukai, T. Kondo, H. Uchida
ACS Ogega, 3, 154-158 (2018).

364

Unsupported Pt₃Ni Aerogels as Corrosion Resistant PEFC Anode Catalysts under Gross Fuel Starvation Conditions

S. Henning, R. Shimizu, J. Herranz, L. Kühn, A. Eychmüller, M. Uchida, K. Kakinuma, T. J. Schmidt
J. Electrochem. Soc, 165, F32-F37 (2018).

363

Tomographic Analysis and Modeling of Polymer Electrolyte Fuel Cell Unsupported Catalyst Layers

H. Ishikawa, S. Henning, J. Herranz, A. Eychmüller, M. Uchida, T. J. Schmidt
J. Electrochem. Soc, 165, F7-F16 (2018).

2017

362

Robust Anion Conductive Polymers Containing Perfluoroalkylene and Pendant Ammonium Groups for High Performance Fuel Cells

H. Ono, T. Kimura, A. Takano, K. Asazawa, J. Miyake, J. Inukai, and K. Miyatake
J. Mater. Chem. A, 5, 24804-24812 (2017).

361

Weakened CO Adsorption and Enhanced Structural Integrity of a Stabilized Pt Skin/PtCo Hydrogen Oxidation Catalyst Analysed by In Situ X-Ray Absorption Spectroscopy

G. Shi, H. Yano, D. A. Tryk, M. Matsumoto, H. Tanida, M. Arao, H. Imai, J. Inukai, A. Iiyama, H. Uchida
Catal. Sci. Technol., 7, 6124-6131 (2017).

360

Boosting Pt Oxygen Reduction Reaction Activity by Tuning the Tin Oxide Support

E. Fabbri, A. Rabis, Y. Chino, M. Uchida, T. J. Schmidt
Electrochem. Commun., 83, 90-95 (2017).

359

Design of Flexible Polyphenylene Proton-Conducting　Membrane for Next-Generation Fuel Cells

J. Miyake, R. Taki, T. Mochizuki, R. Shimizu, R. Akiyama, M. Uchida, and K. Miyatake
Sci. Adv., 3, eaao0476 (2017).

358

Durability and Degradation Analysis of Hydrocarbon Ionomer Membranes in Polymer Electrolyte Fuel Cells Accelerated Stress Evaluation

R. Shimizu, J. Tsuji, N. Sato, J. Takano, S. Itami, M. Kusakabe, K. Miyatake, A. Iiyama, M. Uchida
J. Power Sources, 367, 63-71 (2017).

357

Copolymers Composed of Perfluoroalkyl and Ammonium-Functionalized Fluorenyl Groups as Chemically Stable Anion Exchange Membranes

M. Ozawa, T. Kimura, R. Akiyama, J. Miyake, J. Inukai, and K. Miyatake
Bull. Chem. Soc. Jpn., 90, 1088-1094 (2017).

356

Research and Development of Highly Active and Durable Electrocatalysts Based on Multilateral Analyses of Fuel Cell Reactions

H. Uchida
Electrochemistry, 85, 526-533 (2017).

355

Electrochemical Oxidation of Hydrolyzed Poly-Oxymethylene-Dimethylether by Pt and PtRu Catalysts on Ta-Doped SnO₂ Supports for Direct Oxidation Fuel Cells

K. Kakinuma, N. Hirayama, A. Iiyama, M. Watanabe, M. Uchida
J. Electrochem. Soc., 164, F1226-F1233 (2017).

354

Durability of Sulfonated Phenylene Poly (Arylene Ether Ketone) Semiblock Copolymer Membrane in Wet-Dry Cycling for PEFCs

H. Ishikawa, Y. Fujita, J. Tsuji, M. Kusakabe, J. Miyake, Y. Sugawara, K. Miyatake, and M. Uchida
J. Electrochem. Soc., 164, F1204-F1210 (2017).

353

Durability of Unsupported Pt-Ni Aerogels in PEFC Cathodes

S. Henning, J. Herranz, H. Ishikawa, B. J. Kim, D. Abbott, L. K¨uhn, A. Eychmuller, and T. J. Schmidt
J. Electrochem. Soc., 164, F1136-F1141 (2017).

352

Analysis of the Surface Oxidation Process on Pt Nanoparticles on a Glassy Carbon Electrode by Angle-Resolved, Grazing-Incidence X‑ray Photoelectron Spectroscopy

S. Miyashita, M. Wakisaka, A. Iiyama, H. Uchida
Langmuir, 33, 8877-8882 (2017).

351

Unsupported Pt-Ni Aerogels with Enhanced High Current Performance and Durability in Fuel Cell Cathodes

S. Henning, H. Ishikawa, L. Kghn, J. Herranz, E. Mgller, A. Eychmgller, and T. J. Schmidt
Angew. Chem. Int. Ed, 56, 10707-10710 (2017).

350

Theoretical Investigation of the H₂O₂-Induced Degradation Mechanism of Hydrated Nafion Membrane via Ether-Linkage Dissociation

T. Tsuneda, R. K. Singh, A. Iiyama, and K. Miyatake
ACS Omega, 2, 4053-4064 (2017).

349

Synthesis and Evaluation of Ni Catalysts Supported on BaCe_0.5Zr_0.3-xY_0.2Ni_xO_3-δ with Fused-Aggregate Network Structure for the Hydrogen Electrode of Solid Oxide Electrolysis Cell

R. Nishikawa, K. Kakinuma, H. Nishino, M. E. Brito, S. Gopalan, H. Uchida
Catalysts, 7, 223 (2017).

348

Oxygen Reduction Activity and Durability of Ordered and Disordered Pt₃Co Alloy Nanoparticle Catalysts at Practical Temperatures of Polymer Electrolyte Fuel Cells

H. Yano, I. Arima, M. Watanabe, A. Iiyama, H. Uchida
J. Electrochem. Soc., 164, F966-F972 (2017).

347

Remarkable Mass Activities for the Oxygen Evolution Reaction at Iridium Oxide Nanocatalysts Dispersed on Tin Oxides for Polymer Electrolyte Membrane Water Electrolysis

H. Ohno, S. Nohara, K. Kakinuma, M. Uchida, A. Miyake, S. Deki, H. Uchida
J. Electrochem. Soc., 164, F944-F947 (2017).

346

Visualization of the Oxygen Partial Pressure on the Gas-Diffusion-Layer Surface under the Single-Serpentine Flow Channel and the Ribs in a Polymer Electrolyte Membrane Fuel Cell during the Power Generation

K. Takanohashi, M. Uchida, A. Iiyama, and J. Inukai
J. Finish. Soc. Japan, 68, 338-343 (2017).

345

High Hydroxide Ion Conductivity with Enhanced Alkaline Stability of Partially Fluorinated and Quaternized Aromatic Copolymers as Anion Exchange Membranes

A. M. A. Mahmoud, A. M. M. Elsaghier, K. Otsuji, and K. Miyatake
Macromolecules, 50, 4256-4266 (2017).

344

Effect of Microstructure on Performance of Double-Layer Hydrogen Electrodes for Reversible SOEC/SOFC

P. Puengjinda, H. Nishino, K. Kakinuma, M. E. Brito, H. Uchida
J. Electrochem. Soc., 164, F889-F894 (2017).

343

Effect of Alloy Composition and Crystal Face of Pt-Skin/Pt_100－xCo_x [(111), (100), and (110)] Single Crystal Electrodes on the Oxygen Reduction Reaction Activity

S. Kobayashi, M. Wakisaka, D. A. Tryk, A. Iiyama, H. Uchida
J. Phys. Chem. C., 121, 11234-11240 (2017).

342

Pt/Co Alloy Nanoparticles Prepared by Nanocapsule Method Exhibit a High Oxygen Reduction Reaction Activity in the Alkaline Media

K. Miyatake and Y. Shimizu
ACS Omega, 2, 2085-2089 (2017).

341

High Durability of La_0.6Sr_0.4Co_0.2Fe_0.8O_3−δ/Samaria-doped Ceria (SDC) Composite Oxygen Electrode with SDC Interlayer for Reversible Solid Oxide Fuel Cell/Solid Oxide Electrolysis Cell

K. Shimura, H. Nishino, K. Kakinuma, M. E. Brito, H. Uchida
J. Ceram. Soc. Jpn., 125, 218-222 (2017).

340

Improvement of Cell Performance in Low-Pt-Loading PEFC Cathode Catalyst Layers with Pt/Ta-SnO₂ Prepared by the Electrospray Method

K. Takahashi, R. Koda, K. Kakinuma, and M. Uchida
J. Electrochem. Soc., 164, F235-F242 (2017).

339

Degradation Mechanisms of Carbon Supports under Hydrogen Passivation Startup and Shutdown Process for PEFCs

Y. Yamashita, S. Itami, J. Takano, K. Kakinuma, H. Uchida, M. Watanabe, A. Iiyama, and M. Uchida
J. Electrochem. Soc., 164, F181-F187 (2017).

338

Effect of Samaria-Doped Ceria (SDC) Interlayer on the Performance of La_0.6Sr_0.4Co_0.2Fe_0.8O_3-δ/SDC Composite Oxygen Electrode for Reversible Solid Oxide Fuel Cells

K. Shimura, H. Nishino, K. Kakinuma, M. E. Brito, H. Uchida
Electrochim. Acta, 225, 114-120 (2017).

337

Highly Active, CO-Tolerant, and Robust Hydrogen Anode Catalysts: Pt－M (M = Fe, Co, Ni) Alloys with Stabilized Pt-Skin Layers

G. Shi, H. Yano, D. A. Tryk, A. Iiyama, H. Uchida
ACS Catal., 7, 267-274 (2017).

336

In Situ FTIR Analysis of CO-Tolerance of a Pt-Fe Alloy with Stabilized Pt Skin Layers as a Hydrogen Anode Catalyst for Polymer Electrolyte Fuel Cells

Y. Ogihara, H. Yano, T. Matsumoto, D. A. Tryk, A. Iiyama, H. Uchida
Catalysts, 7, 8 (2017).

2016

335

Effect of Thermal Crosslinking on the Properties of Sulfonated Poly(Phenylene Sulfone)s as Proton Conductive Membranes

Y. Zhang, J-D. Kim, and K. Miyatake
J. Appl.Polym. Sci, 133, 44218 (2016).

334

Particle-Size Effect of Pt Cathode Catalysts on Durability in Fuel Cells

H. Yano, M. Watanabe, A. Iiyama, H. Uchida
Nano Energy, 29, 323-333 (2016).

333

Effect of an Sb-Doped SnO₂ Support on the CO-Tolerance of Pt₂Ru₃ Nanocatalysts for Residential Fuel Cells

Y. Ogihara, H. Yano, M. Watanabe, A. Iiyama, H. Uchida
Catalysts, 6, 139 (2016).

332

Use of a Sub-Gasket and Soft Gas Diffusion Layer to Mitigate Mechanical Degradation of a Hydrocarbon Membrane for Polymer Electrolyte Fuel Cells in Wet-Dry Cycling

H. Ishikawa, T. Teramoto, Y. Ueyama, Y. Sugawara, Y. Sakiyama, M. Kusakabe, K. Mikyatake, and M. Uchida
J. Power Sources, 325, 35-41 (2016).

331

Experimental and Theoretical Infrared Spectroscopic Study on Hydrated Nafion Membrane

R. K. Singh, K. Kunimatsu, K. Miyatake, and T. Tsuneda
Macromolecules, 49, 6621-6629 (2016).

330

Effect of Surface Ion Conductivity of Anion Exchange Membranes on Fuel Cell Performance

M. Hara, T. Kimura, T. Nakamura, M. Shimada, H. Ono, S. Shimada, K. Miyatake, M. Uchida, J. Inukai, and M. Watanabe
Langmuir, 32, 9557-9565 (2016).

329

Improvement of Cell Performance in Low-Pt-Loading PEFC Cathode Catalyst Layers Prepared by the Electrospray Method

K. Takahashi, K. Kakinuma, and M. Uchida
J. Electrochem. Soc., 163, F1182-F1188 (2016).

328

A Novel Pt–Co Alloy Hydrogen Anode Catalyst with Superlative Activity, CO-Tolerance and Robustness

G. Shi, H. Yano, D. A. Tryk, M. Watanabe, A. Iiyama, H. Uchida
Nanoscale, 8, 13893-13897 (2016).

327

Load Cycle Durability of a Graphitized Carbon Black-Supported　Platinum Catalyst in Polymer Electrolyte Fuel Cell Cathodes

C. Takei, K. Kakinuma, K, Kawashima, K. Tashiro, M. Watanabe, and M. Uchida
J. Power Sources, 324, 729-737 (2016).

326

Simple, Effective Molecular Strategy for the Design of Fuel Cell Membranes: Combination of Perfluoroalkyl and Sulfonated Phenylene Groups

T. Mochizuki, M. Uchida, and K. Miyatake
ACS Energy Lett.,1, 348-352 (2016).

325

Anion Conductive Aromatic Copolymers from Dimenthylaminomethylated Monomers: Synthesis, Properties, and Applications in Alkaline Fuel Cells

R. Akiyama, N. Yokota, E. Nishino, K. Asazawa, and K. Miyatake
Macromolecules,49, 4480-4489 (2016).

324

Anion-exchange Membranes Containing Fluorinated Poly(arylene ether)s: Properties and Application in Pt-free Hydrazine Fuel Cell

E. Nishino, J. Yamada, K. Asazawa, S. Yamaguchi, M. Shimada, J. Miyake, and K. Miyatake
Chemistry Letters,45, 664-666 (2016).

323

Unprecedented Dependence of the Oxygen Reduction Activity on Co Content at Pt Skin/Pt-Co(111) Single Crystal Electrodes

M. Wakisaka, S. Kobayashi, S. Morishima, Y. Hyuga, D. A. Tryk, M. Watanabe, A. Iiyama, H. Uchida
Electrochem. Commun., 67, 47-50 (2016).

322

Effects of Carbon Supports on Pt Distribution, Ionomer Coverage and Cathode Performance for Polymer Electrolyte Fuel Cells

Y.-C. Park, H. Tokiwa, K. Kakinuma, M. Watanabe, M. Uchida
J. Power Sources, 315, 179-191 (2016).

321

Durability of Pt Catalysts Supported on Graphitized Carbon-Black during Gas-Exchange Start-Up Operation Similar to That Used for Fuel Cell Vehicles

Y. Yamashita, S. Itami, J. Takano, M. Kodama, K. Kakinuma, M. Hara, M. Watanabe, and M. Uchida
J. Electrochem. Soc.,163, F644-F650 (2016).

320

Anion Conductive Aromatic Polymers Containing Fluorenyl Groups: Effect of the Position and Number of Ammonium Groups

M. Shimada, S. Shimada, J. Miyake, M. Uchida, K. Miyatake
J. Polym. Sci. A: Polym. Chem., 54, 935-944 (2016).

319

Effect of Ammonium Groups on the Properties of Anion Conductive Membranes Based on Partially Fluorinated Aromatic Polymers

A. M. A. Ahmed, A. M. M. Elsaghier, and K. Miyatake
RSC Adv., 6, 27862-27870 (2016).

318

Highly Durable and Active PtCo Alloy/Graphitized Carbon Black Cathode Catalysts by Controlled Deposition of Stabilized Pt Skin Layers

M. Watanabe, H. Yano, D. A. Tryk, H. Uchida
J. Electrochem. Soc, 163, F455-F463 (2016).

317

Oxygen Reduction Reaction Activity of Carbon-Supported Pt-Fe, Pt-Co, and Pt-Ni Alloys with Stabilized Pt-Skin Layers

M. Chiwata, H. Yano, S. Ogawa, M. Watanabe, A. Iiyama, H. Uchida
Electrochemistry, 84, 133–137 (2016).

316

Effect of Sulfonated Triphenylphosphine Oxide Groups in Aromatic Block Copolymers as Poton-exchange Membranes

J. Miyake, I. Hosaka, K. Miyatake
Chem. Lett., 45, 33-35 (2016).

2015

315

Influence of Pt Loading and Cell Potential on the HF Ohmic Resistance of an Nb-Doped SnO₂-Supported Pt Cathode for PEFCs

Y. Chino, K. Kakinum, D. A. Tryk, M. Watanabe, M. Uchida
J. Electrochem. Soc., 163, F97-F105 (2015).

314

Anion Exchange Membranes Composed of Perfluoroalkylene Chains and Ammonium-functionalized Oligophenylenes

H. Ono, J. Miyake, S. Shimada, M. Uchida, K. Miyatake
J. Mater. Chem. A, 43, 21779-21788 (2015).

313

Oxygen Reduction Reaction at Binary and Ternary Nanocatalysts Based on Pt, Pd and Au

S. Lankiang, M. Chiwata, S. Baranton, H. Uchida, C. Coutanceau
Electrochim. Acta, 182, 131-142 (2015).

312

Visualization of Oxygen Partial Pressure and Numerical Simulation of a Running Polymer Electrolyte Fuel Cell with Straight Flow Channels to Elucidate Reaction Distributions

K. Nagase, H. Motegi, M. Yoneda, Y. Nagumo, T. Suga, M. Uchida, J. Inukai, H. NIshide, and M. Watanabe
Chem Electro Chem, 2, 1495-1501 (2015).

311

Catalytic Performance of Mesoporous Silica-Covered Nickel Core–Shell Particles for Selective CO Methanation

K. Hayashi, T. Miyao, K. Higashiyama, S. Deki, Y. Tabira, M. Watanabe
Appl. Catal. A Gen., 506, 143-150 (2015).

310

Novel Strategy to Mitigate Cathode Catalyst Degradation during Air/Air Startup Cycling via the Atmospheric Resistive Switching Mechanism of a Hydrogen Anode with a Platinum Catalyst Supported on Tantalum-Doped Titanium Dioxide

H. Shintani, Y. Kojima, K. Kakinuma, M. Watanabe, M. Uchida
J. Power Sources, 295, 292-298 (2015).

309

Ladder-Type Aromatic Block Copolymers Containing Sulfonated Triphenylphosphine Oxide Moieties as Proton Conductive Membranes

Y. Zhang, J. Miyake, R. Akiyama, K. Miyatake
Polymer, 77, 152-155 (2015).

308

Catalytic Activity and Durability of a Mesoporous Silica-Coated Ni-Alumina-Based Catalyst for Selective CO Methanation

T. Miyao, J. Tanaka, W. Shen, K. Hayashi, K. Higashiyama, M. Watanabe
Catalysis Today, 251, 81-87 (2015).

307

A Proton Conductive Aromatic Block Copolymer Containing Dibenzofuran Moieties

J. Miyake, M. Saito, R. Akiyama, M. Watanabe, K. Miyatake
Chem. Lett., 44, 964-966 (2015).

306

Effect of the Hydrophilic Component in Aromatic Ionomers: Simple Structure Provides Improved Properties as Fuel Cell Membranes

J. Miyake, T. Mochizuki, K. Miyatake
ACS Macro Lett., 4, 750-754 (2015).

305

Analysis of the Gold/Polymer Electrolyte Membrane Interface by Polarization-Modulated ATR-FTIR Spectroscopy

K. Kunimatsu, K. Miyatake, S. Deki, H. Uchida, M.Watanabe
J. Phys. Chem. C, 119, 16754-16761 (2015).

304

A Sulfonated Polybenzophenone/Polyimide Copolymer as a Novel Proton Exchange Membrane

T. Miyahara, J. Miyake, S. Matsuno, M. Watanabe, K. Miyatake
RSC Adv., 5, 50082-50086 (2015).

303

Oxygen Reduction Reaction Activity and Durability of Pt Catalysts Supported on Titanium Carbide

M. Chiwata, K. Kakinuma, M. Wakisaka, M. Uchida, S. Deki, M. Watanabe, H. Uchida
Catalysts, 5, 966-980 (2015).

302

Effect of Adsorption of Sulfate Anions on the Activities for Oxygen Reduction Reaction on Nafion -coated Pt/Carbon Black Catalysts at Practical Temperatures

H. Yano, T. Uematsu, J. Omura, M. Watanabe, H. Uchida
J. Electroanal. Chem., 747, 91-96 (2015).

301

Effect of Added Graphitized CB on Both Performance and Durability of Pt/Nb-SnO2 Cathodes for PEFCs

Y. Chino, K. Taniguchi, Y. Senoo, K. Kakinuma, M. Hara, M. Watanabe, M. Uchida
J. Electrochem. Soc., 162, 736-743 (2015).

300

Performance of Practical-Sized Membrane-Electrode Assemblies Using Titanium Nitride-Supported Platinum Catalysts Mixed with Acetylene Black as the Cathode Catalyst Layer

H. Shintani, K. Kakinuma, H. Uchida, M. Watanabe, M. Uchida
J. Power Sources, 280, 593-599 (2015).

299

Effects of SiO₂ Nanoparticles Incorporated into Poly(arylene ether sulfone ketone) Multiblock Copolymer Electrolyte Membranes on Fuel Cell Performance at Low Humidity

M. Sakamoto, S. Nohara, K. Miyatake, M. Uchida, M. Watanabe, H.Uchida
Electrochemistry, 83, 150-154 (2015).

298

Synthesis and Properties of Sulfonated Block Poly(arylene ether)s Containing m-Terphenyl Groups as Proton Conductive Membranes

J. Miyake, M. Sakai, M. Sakamoto, M. Watanabe, K. Miyatake
J. Membr. Sci., 476, 156-161 (2015).

297

Cathodic Performance and High Potential Durability of Ta-SnO_2-δ-Supported Pt Catalysts for PEFC Cathodes

Y. Senoo, K. Taniguchi, K. Kakinuma, M. Uchida, H. Uchida, S. Deki, M. Watanabe
Electrochem. Commun., 51, 37-40 (2015).

296

Effects of Short-Side-Chain Perfluorosulfonic Acid Ionomers as Binders on the Performance of Low Pt Loading Fuel Cell Cathodes

Y.-C. Park, K. Kakinuma, H. Uchida, M. Watanabe, M. Uchida
J. Power Sources, 275, 384-391 (2015).

295

Real-Time Visualization of Oxygen Partial Pressures in Sraight Channels of Running Polymer Electrolyte Fuel Cell with Water Plugging

K. Nagase, T. Suga, Y. Nagumo, M. Uchida, J. Inukai, H. Nishide, and M. Watanabe
J. Power Sources, 273, 873-877 (2015).

294

Synthesis and Properties of Sulfonated and Brominated Poly(arylene ether)s as Proton Conductive Membranes

T. Hoshi, J. Miyake, M. Watanabe, K. Miyatake
Bull. Chem. Soc. Jpn., 88, 183-191 (2015).

293

Preparation and Catalytic Activity of a Mesoporous Silica-Coated Ni-Alumina-Based Catalyst for Selective CO Methanation

T. Miyao, S. Sakurabayashi, W. Shen, A. Chen, K. Higashiyama, M. Watanabe
Catal. Commun., 58, 93-96 (2015).

2014

292

Electrochemical Oxidation of Hydrolyzed Poly Oxymethylene-dimethyl Ether by PtRu Catalysts on Nb-Doped SnO_2−δ

K. Kakinuma, I.-T. Kim, Y. Senoo, H. Yano, M. Watanabe, M. Uchida
Appl. Mater. Interfaces, 6, 22138-22145 (2014).

291

Oxygen Partial Pressures on Gas-Diffusion Layer Surface and Gas-Flow Channel Wall in Polymer Electrolyte Fuel Cell During Power Generationstudied by Visualization Technique Combined with Numerical Simulation

Y. Ishigami, W. Waskitoaji, M. Yoneda, K. Takada,T. Hyakutake, T. Suga, M. Uchida, Y. Nagumo, J.Inukai, H. Nishide, and M. Watanabe
J. Power Sources, 269, 556-564 (2014).

290

Aromatic Copolymers Containing Ammonium-Functionalized Oligophenylene Moieties as Highly Anion Conductive Membranes

N. Yokota, M. Shimada, R. Akiyama, E. Nishino, K. Asazawa, J. Miyake, M. Watanabe, K. Miyatake
Macromolecules, 47, 8238-8246 (2014).

289

Carbon Segregation-Induced Highly Metallic Ni Nanoparticles for Electrocatalytic Oxidation of Hydrazine in Alkaline Media

T.-Y. Jeon, M. Watanabe, K. Miyatake
ACS Appl. Mater. Interfaces, 6, 18445-18449 (2014).

288

Effects of Hot Liquid-Water Treatment on Local Proton Conductivity Atsurfaces of Sulfonated Poly(arylene ketone) Block Copolymermembrane for Fuel Cells Studied by Current-Sensing Atomic Force Microscopy

M. Hara, M. Hara, K. Miyatake, J. Inukai, M. Watanabe
Electrochim. Acta, 143, 383-389 (2014).

287

Ammonium-functionalized Poly(arylene ether)s as Anion Exchange Membranes

J. Miyake, M. Watanabe, K. Miyatake
Polym. J., 46, 656-663 (2014).

286

Anion Conductive Aromatic Block Copolymers Containing Diphenyl Ether or Sulfide Groups for Application to Alkaline Fuel Cells

N. Yokota, H. Ono, J. Miyake, E. Nishino, K. Asazawa, M. Watanabe, K. Miyatake
ACS Appl. Mater. Interfaces, 6, 17044-17052 (2014).

285

Mechanistic Study of the Effect of Chlorine on Selective CO Methanation over Ni Alumina-Based Catalysts

T. Miyao, W. Shen, A. Chen, K. Higashiyama, M. Watanabe
Appl. Catal. A, 486, 187-192 (2014).

284

Double-Layer Ionomer Membrane for Improving Fuel Cell Performance

T. Mochizuki, M. Uchida, H. Uchida, M. Watanabe, K. Miyatake
ACS Appl. Mater. Interfaces, 6, 13894-13899 (2014).

283

High Catalytic Performance of Mesoporous Zirconia Supported Nickel Catalysts for Selective CO Methanation

A. Chen, T. Miyao, K. Higashiyama, M. Watanabe
Catal. Sci. Technol., 4, 2508-2511 (2014).

282

Effects of Incorporation of SiO₂ Nanoparticles into Sulfonated Polyimide Electrolyte Membranes on Fuel Cell Performance under Low Humidity Conditions

M. Sakamoto, S. Nohara, K. Miyatake, M. Uchida, M. Watanabe, H. Uchida
Electrochim. Acta, 137, 213-218 (2014).

281

Theoretical Investigation of Proton Dissociation in the Proton Exchange Membranes

R. K. Singh, T. Tsuneda, K. Miyatake, M. Watanabe
Chem. Phys. Lett., 608, 11-16 (2014).

280

Improvements in Electrical and Electrochemical Properties of Nb-Doped SnO_2-δ Supports for Fuel Cell Cathodes Due to Aggregation and Pt Loading

Y. Senoo, K. Kakinuma, M. Uchida, H. Uchida, S. Deki, M. Watanabe
RSC Adv., 4, 32180-32188 (2014).

279

Intrapolymer Heck Reaction for Proton Conductive Ladder-type Aromatic Block Copolymers

J. Miyake, M. Watanabe, K. Miyatake
RSC Adv., 4, 21049-21053 (2014).

278

Proton Conductive Areas on Sulfonated Poly(arylene ketone) Multiblock Copolymer Electrolyte Membrane Studied by Current-Sensing Atomic Force Microscopy

M. Hara, T. Miyahara, T. Hoshi, J. Ma, M. Hara, K. Miyatake, J. Inukai, N. Alonso-Vante and M. Watanabe
Electrochemistry, 82, 369-375 (2014).

277

High-Performance Electrodes for Reversible Solid Oxide Fuel Cell/Solid Oxide Electrolysis Cell: Ni–Co Dispersed Ceria Hydrogen Electrodes

R. Nishida, P. Puengjinda, H. Nishino, K. Kakinuma, M. E. Brito, M. Watanabe and H. Uchida
RSC Adv., 4, 16260-16266 (2014).

276

Reversible/Irreversible Increase in Proton-Conductive Areas on Proton-Exchange-Membrane Surface by Applying Voltage Using Current-Sensing Atomic Force Microscope

M. Hara, D. Hattori, J. Inukai, M. Hara, K. Miyatake and M. Watanabe
J. Electroanal. Chem., 716, 158-163 (2014).

275

Temperature-and Humidity-Controlled SAXS Analysis of Proton-Conductive Ionomer Membranes for Fuel Cells

T. Mochizuki, K. Kakinuma, M. Uchida, S. Deki, M. Watanabe and K. Miyatake
ChemSusChem, 7, 729-733 (2014).

274

Deleterious Effects of Interim Cyclic Voltammetry on Pt/Carbon Black Catalyst Degradation during Start-up/Shutdown Cycling Evaluation

Y.-C. Park, K. Kakinuma, M. Uchida, H. Uchida and M. Watanabe
Electrochim. Acta, 123, 84-92 (2014).

273

Investigation of the Effect of a Hydrophilic Layer in the Gas Diffusion Layer of a Polymer Electrolyte Membrane Fuel Cell on the Cell Performance and Cold Start Behaviour

S. Hirakata, M. Hara, K. Kakinuma, M. Uchida, D. A. Tryk, H. Uchida and M. Watanabe
Electrochim. Acta, 120, 240-247 (2014).

272

Effect of Ammonium Groups on the Properties and Alkaline Stability of Poly(arylene ether)-Based Anion Exchange Membranes

J. Miyake, K. Fukasawa, M. Watanabe and K. Miyatake
J. Polym. Sci. A: Polym. Chem., 52, 383-389 (2014).

271

Electrochemical Quartz Crystal Microbalance Analysis of the Oxygen Reduction Reaction on Pt-Based Electrodes. Part 2: Adsorption of Oxygen Species and ClO₄^－ Anions on Pt and Pt－Co Alloy in HClO₄ Solutions

J. Omura, H. Yano, D. A. Tryk, M. Watanabe and H. Uchida
Langmuir, 30, 432-439 (2014).

2013

270

Characterization of Pt Catalysts on Nb-Doped and Sb-Doped SnO_2-δ Support Materials with Aggregated Structure by Rotating Disk Electrode and Fuel Cell Measurements

K. Kakinuma, Y. Chino, Y. Senoo, M. Uchida, T. Kamino, H. Uchida, S. Deki and M. Watanabe
Electrochim. Acta, 110, 316-324 (2013).

269

Proton Conductive Aromatic Block Copolymers from a New Bistriazole Monomer

R. Akiyama, D. Hirayama, M. Saito, J. Miyake, M. Watanabe and K. Miyatake
RSC Adv., 3, 20202-20208 (2013).

268

Hydrolyzed Polyoxymethylenedimethylethers as Liquid Fuels for Direct Oxidation Fuel Cells

S. Baranton, H. Uchida, D. A. Tryk, J. L. Dubois and M. Watanabe
Electrochim. Acta, 108, 350-355 (2013).

267

Investigation of the Effect of Pore Diameter of Gas Diffusion Layers on Cold Start Behavior and Cell Performance of Polymer Electrolyte Membrane Fuel Cells

S. Hirakata, T. Mochizuki, M. Uchida, H. Uchida and M. Watanabe
Electrochim. Acta, 108, 304-312 (2013).

266

Correlation between Surface Chemical Composition with Catalytic Activity and Selectivity of Organic-Solvent Synthesized Pt–Ti Nanoparticles

J. Ma, A. Habrioux, T. Miyao, K. Kakinuma, J. Inukai, M. Watanabe and N. A.-Vante
J. Mater. Chem. A, 1, 8798-8804 (2013).

265

Sulfonated Poly(arylene ether phosphine oxide ketone) Block Copolymers as Oxidatively Stable Proton Conductive Membranes

J. Miyake, M. Watanabe and K. Miyatake
ACS Appl. Mater. Interfaces, 5, 5903-5907 (2013).

264

Effect of the State of Distribution of Supported Pt Nanoparticles upon Effective Pt Utilization in Polymer Electrolyte Fuel Cells

M. Uchida, Y.-C. Park, K. Kakinuma, H. Yano, D. A. Tryk, T. Kamino, H. Uchida and M. Watanabe
Phys. Chem. Chem. Phys., 15, 11236-11247 (2013).

263

Structural Variations of CO Adlayers on a Pt(100) Electrode in 0.1 M HClO₄ Solution: an in Situ STM Study

M. Wakisaka, T. Yoneyama, S. Ashizawa, Y. Hyuga, T. Ohkanda, H. Uchida, and M. Watanabe
Phys. Chem. Chem. Phys., 15, 11038 – 11047 (2011).

262

Synthesis and Properties of Partially Fluorinated Poly(arylene ether) Block Copolymers Containing Ammonium Groups as Anion Conductive Membranes

H. Ono, J. Miyake, B. Bae, M. Watanabe and K. Miyatake
Bull. Chem. Soc. Jpn., 86, 663-670 (2013).

261

Imaging Individual Proton-Conducting Spots on Sulfonated Multiblock-Copolymer Membrane under Controlled Hydrogen Atmosphere by Current-Sensing Atomic Force Microscopy

M. Hara, D. Hattori, J. Inukai, B. Bae, T. Hoshi, M. Hara, K. Miyatake and M. Watanabe
J. Phys. Chem. B, 117, 3892-3899 (2013).

260

High Durability of Pt/Graphitized Carbon Catalysts for Polymer Electrolyte Fuel Cells Prepared by the Nanocapsule Method

H. Yano, T. Akiyama, M. Watanabe and H. Uchida
J. Electroanal. Chem., 688, 137-142 (2013).

259

Direct STM Elucidation of the Effects of Atomic-Level Structure on Pt(111) Electrodes for Dissolved CO Oxidation

J. Inukai, D. A. Tryk, T. Abe, M. Wakisaka, H. Uchida and M. Watanabe
J. Am. Chem. Soc., 135, No.4, 1476-1490 (2013).

258

ATR-FTIR Analysis of the State of Water in a Sulfonated Block Poly(arylene ether sulfone ketone) Membrane and Proton Conductivity Measurement during the Hydration/Dehydration Cycle

K. Kunimatsu, K. Yagi, B. Bae, K. Miyatake, H. Uchida and M. Watanabe
J. Phys. Chem. C, 117, No.8, 3762-3771 (2013).

257

Investigation of the Corrosion of Carbon Supports in Polymer Electrolyte Fuel Cells Using Simulated Start-up/Shutdown Cycling

Y.-C. Park, K. Kakinuma, M. Uchida, D. A. Tryk, T. Kamino, H. Uchida and M. Watanabe
Electrochim. Acta, 91, No.1, 195-207 (2013).

256

Experimental Analyses of Low Humidity Operation Properties of SiO₂-Containing Catalyst Layers for Polymer Electrolyte Fuel Cells

N. Inoue, M. Uchida, M. Watanabe, and H. Uchida
Electrochim. Acta, 88, No.1, 807-813 (2013).

2012

255

Overview of Recent Developments in Oxygen Reduction Electrocatalysis

M. Watanabe, D. A. Tryk, M. Wakisaka, H. Yano and H. Uchida
Electrochim. Acta, 84, 187-201 (2012).

254

Temperature Dependence of Oxygen Reduction Reaction Activity at Stabilized Pt Skin-PtCo Alloy/Graphitized Carbon Black Catalysts Prepared by a Modified Nanocapsule Method

K. Okaya, H. Yano, K. Kakinuma, M. Watanabe, and H. Uchida
ACS Appl. Mater. Interfaces, 4, No.12, 6982-6991 (2012).

253

Effect of Platinum Loading on Fuel Cell Cathode Performance Using Hydrocarbon Ionomers as Binder

T. Omata, M. Uchida, H. Uchida, M. Watanabe, and K. Miyatake
Phys. Chem. Chem. Phys., 14, No.48, 16713-16718 (2012).

252

In Situ ATR-FTIR Analysis of the Structure of Nafion-Pt/C and Nafion-Pt₃Co/C Interfaces in Fuel Cell

H. Hanawa, K. Kunimatsu, M. Watanabe and H. Uchida
J. Phys. Chem. C, 116, No.40, 21401-21406 (2012).

251

Micro-Raman Study on Water Distribution Inside a Nafion Membrane during Operation of Polymer Electrolyte Fuel Cell

M. Hara, J. Inukai, B. Bae, T. Hoshi, K. Miyatake, M. Uchida, H. Uchida and M. Watanabe
Electrochim. Acta, 82, 277-283 (2012).

250

Durability of an Aromatic Block Copolymer Membrane in Practical PEFC Operation

T. Okanishi, T. Yoda, Y. Sakiyama, T. Miyahara, K. Miyatake, M. Uchida and M. Watanabe
Electrochem. Commun., 24, 47-49 (2012).

249

Complete NMR Assignment of a Sulfonated Aromatic Block Copolymer via Heteronuclear Single-quantum Correlation, Heteronuclear Multiple-bond Correlation and Heteronuclear Single-quantum Correlation Total Correlation Spectroscopy

M. Takasaki, K. Kimura, Y. Nakagawa, N. Sato, B. Bae, K. Miyatake and M. Watanabe
Polym. J., 44, 845-849 (2012).

248

Synthesis of Superacid-modified Poly(Arylene Ether Sulfone)s via Postbromination

T. Shimura, M. Watanabe and K. Miyatake
RSC Adv., 2, 5199-5204 (2012).

247

Block Poly(Arylene Ether Sulfone Ketone)s Containing Densely Sulfonated Linear Hydrophilic Segments as Proton Conductive Membranes

K. Miyatake, D. Hirayama, B. Bae and M. Watanabe
Polym. Chem., 3, 2517-2522 (2012).

246

Sulfonated Polybenzophenone/Poly(arylene ether) Block Copolymer Membranes for Fuel Cell Applications

T. Miyahara, T. Hayano, S. Matsuno, M. Watanabe, and K. Miyatake
ACS Appl. Mater. Interfaces, 4, 2881-2884 (2012).

245

Preparation of Titanium Nitride-supported Platinum Catalysts with Well Controlled Morphology and Their Properties Relevant to Polymer Electrolyte Fuel Cells

K. Kakinuma, Y. Wakasugi, M. Uchida, T. Kamino, H. Uchida, S. Deki and M. Watanabe
Electrochim. Acta, 77, 279-284 (2012).

244

Real-Time Visualization of CO₂ Generated by Corrosion of the Carbon Support in a PEFC Cathode

Y. Ishigami, I. Maeda, K. Takada, T. Hyakutake, T. Suga, J. Inukai, M. Uchida, Y. Nagumo, H. Nishide and M. Watanabe
Electrochem. Solid-State Lett., 15, No.4, B51-B53 (2012).

243

Electrochemical and Raman Spectroscopic Evaluation of Pt/Graphitized Carbon Black Catalyst Durability for the Start/Stop Operating Condition of Polymer Electrolyte Fuel Cells

M. Hara, M. Lee, C. Liu, B. Chen, Y. Yamashita, M. Uchida, H. Uchida and M. Watanabe
Electrochim. Acta, 70, 171-181 (2012).

242

Synthesis and Properties of Sulfonated Poly(arylene ether) Block Copolymers as Proton Conductive Membranes

T. Hoshi, B. Bae, M. Watanabe and K. Miyatake
Bull. Chem. Soc. Jpn., 85, No.3, 389-396 (2012).

241

Electrochemical Behavior of Pt-Co(111), (100) and (110) Alloy Single-crystal Electrodes in 0.1 M HClO₄ and 0.05 M H₂SO₄ Solution as a function of Co Content

M. Wakisaka, S. Morishima, Y. Hyuga, H. Uchida and M. Watanabe
Electrochem. Commun., 18, No.1, 55-57 (2012).

240

Effect of Particle Size and Composition on CO-Tolerance at Pt-Ru/C Catalysts Analyzed by In Situ Attenuated Total Reflection FTIR Spectroscopy

T. Sato, K. Okaya, K. Kunimatsu, H. Yano, M. Watanabe and H. Uchida
ACS Catal., 2, No.3, 450-455 (2012).

239

Durability of Sulfonated Polyimide Membrane in Humidity Cycling for Fuel Cell Applications

K. Miyatake, H. Furuya, M. Tanaka and M. Watanabe
J. Power Sources, 204, No.15, 74-78 (2012).

238

SiO₂-Containing Catalyst Layers for PEFCs Operating under Low Humidity

N. Inoue, M. Uchida, M. Watanabe and H. Uchida
Electrochem. Commun., 16, No.1, 100-102 (2012).

2011

237

Preparation and Fuel Cell Performance of Catalyst Layers Using Sulfonated Polyimide Ionomers

T. Omata, M. Tanaka, K. Miyatake, M. Uchida, H. Uchida and M. Watanabe
ACS Appl. Mater. Interfaces, 4, No.2, 730-737 (2011).

236

Effect of PEFC Operating Conditions on the Durability of Sulfonated Polyimide Membranes

T. Okanishi, Y. Tsuji, Y. Sakiyama, S. Matsuno, B. Bae, K. Miyatake, M. Uchida and M. Watanabe
Electrochim. Acta, 58, 589-598 (2011).

235

Temperature Dependence of the Water Distribution Inside a Nafion Membrane in an Operating Polymer Electrolyte Fuel Cell. A Micro-Raman Study

M. Hara, J. Inukai, K. Miyatake, H. Uchida and M. Watanabe
Electrochim. Acta, 58, 449-455 (2011).

234

Electrochemical Quartz Crystal Microbalance Analysis of the CO Oxidation Reaction at Pt Alloy Electrodes

I. Kanezashi, S. Nohara, J. Omura, M. Watanabe and H. Uchida
J. Electroanal. Chem., 662, No.1, 123-129 (2011).

233

Effect of PEFC Operating Conditions on the Durability of Sulfonated Poly(arylene ether sulfone ketone) Multiblock Membranes

T. Okanishi, Y. Tsuji, Y. Sakiyama, S. Matsuno, B. Bae, K. Miyatake, M. Uchida and M. Watanabe
Electrochim. Acta, 56, No.24, 8989-8996 (2011).

232

Synthesis and Properties of Sulfonated Poly(arylene ether)s Containing Azole Groups

B. Bae, S. Kawamura, K. Miyatake and M. Watanabe
J. Polym. Sci. A: Polym. Chem., 49, No.17, 3863-3873 (2011).

231

Fluorene-Containing Cardo Polymers as Ion Conductive Membranes for Fuel Cells

K. Miyatake, B. Bae and M. Watanabe
Polym. Chem., 2, No.9, 1919-1929 (2011).

230

Polyimide Ionomer Containing Superacid Groups

J. Saito, M. Tanaka, M. Hirai, M. Nanasawa, K. Miyatake and M. Watanabe
Polym. Adv. Technol., 22, No.8, 1305-1310 (2011).

229

Sulfonated Poly(arylene ether sulfone ketone) Multiblock Copolymers with Highly Sulfonated Blocks. Long-Term Fuel Cell Operation and Post-Test Analyses

B. Bae, K. Miyatake, M. Uchida, H. Uchida, Y. Sakiyama, T. Okanishi and M. Watanabe
ACS Appl. Mater. Interfaces, 3, No.7, 2786-2793 (2011).

228

Polybenzimidazole Block Sulfonated Poly(arylene ether sulfone) Ionomers

F. Ng, B. Bae, K. Miyatake and M. Watanabe
Chem. Commun., 47, No.31, 8895-8897 (2011).

227

Anion Conductive Block Poly(arylene ether)s: Synthesis, Properties, and Application in Alkaline Fuel Cells

M. Tanaka, K. Fukasawa, E. Nishino, S. Yamaguchi, K. Yamada, H. Tanaka, B. Bae, K. Miyatake and M. Watanabe
J. Am. Chem. Soc., 133, No.27, 10646-10654 (2011).

226

Sulfonated Block Poly(arylene ether sulfone) Membranes for Fule Cell Applications via Oligomeric Sulfonation

B. Bae, T. Hoshi, K. Miyatake and M. Watanabe
Macromolecules, 44, No.10, 3884-3892 (2011).

225

Adsorption and Oxidation of Carbon Monoxide on Pt/C, Pt₃Co/C, and PtRu/C Catalysts Studied by In-Situ Attenuated Total Reflection Fourier-Transform Infrared

T. Sato, K. Kunimatsu, M. Watanabe and H. Uchida
J. Nanosci. Nanotechnol., 11, No.6, 5123-5130 (2011).

224

Electrochemical Activity and Durability of Platinum Catalysts Supported on Nanometer-Size Titanium Nitride Particles for Polymer Electrolyte Fuel Cells

K. Kakinuma, Y. Wakasugi, M. Uchida, T. Kamino, H. Uchida and M. Watanabe
Electrochemistry, 79, No.5, 399-403 (2011).

223

Imaging of Water Droplets Formed during PEFC Operation on GDLs with Different Pore Sizes

K. Takada, Y. Ishigami, S. Hirakata, M. Uchida, Y. Nagumo, J. Inukai, H. Nishide and M. Watanabe
Electrochemistry, 79, No.5, 388-391 (2011).

222

Durability of Pt/Graphitized Carbon Catalyst Prepared by the Nanocapsule Method for the Start/Stop Operating Condition of Polymer Electrolyte Fuel Cells

M. Lee, M. Uchida, K. Okaya, H. Uchida and M. Watanabe
Electrochemistry, 79, No.5, 381-387 (2011).

221

Electrocatalysis of the Oxygen Reduction Reaction at Pt and Pt-Alloys

H. Uchida, H. Yano, M. Wakisaka and M. Watanabe
Electrochemistry, 79, No.5, 303-311 (2011).

220

Electrochemical Quartz Crystal Microbalance Analysis of the Oxygen Reduction Reaction on Pt-Based Electrodes. Part 1: Effect of Adsorbed Anions on the Oxygen Reduction Activities of Pt in HF, HClO₄, and H₂SO₄ Solutions

J. Omura, H. Yano, M. Watanabe and H. Uchida
Langmuir, 27, No.10, 6464-6470 (2011).

219

The Effectiveness of Platinum/Carbon Electrocatalysts: Dependence on Catalyst Layer Thickness and Pt Alloy Catalytic Effects

M. Lee, M. Uchida, D. A. Tryk, H. Uchida and M. Watanabe
Electrochim. Acta, 56, No.13, 4783-4790 (2011).

218

Structural Effects on the Surface Oxidation Processes at Pt Single-Crystal Electrodes Studied by X-ray Photoelectron Spectroscopy

M. Wakisaka, Y. Udagawa, H. Suzuki, H. Uchida and M. Watanabe
Energy Environ. Sci., 4, No.5, 1662-1666 (2011).

217

ATR-FTIR Study of Water in Nafion Membrane Combined with Proton Conductivity Measurements during Hydration/Dehydration Cycle

K. Kunimatsu, B. Bae, K. Miyatake, H. Uchida and M. Watanabe
J. Phys. Chem. B, 115, 4315-4321 (2011).

216

Preparation of a Mesoporous Ceria-Zirconia Supported Ni-Fe Catalyst for the High Temperature Water-Gas Shift Reaction

K. Watanabe, T. Miyao, K. Higashiyama, H. Yamashita and M. Watanabe
Catal. Commun., 12, No.11, 976-979 (2011).

215

Corrosion of Carbon Supports at Cathode during Hydrogen/Air Replacement at Anode Studied by Visualization of Oxygen Partial Pressures in a PEFC―Start-up/Shut-down Simulation

Y. Ishigami, K. Takada, H. Yano, J. Inukai, M. Uchida, Y. Nagumo, T. Hyakutake, H. Nishide and M. Watanabe
J. Power Sources, 196, No.6, 3003-3008 (2011).

214

Simultaneous Visualization of Oxygen Distribution and Water Blockages in an Operating Triple-Serpentine Polymer Electrolyte Fuel Cell

K. Takada, Y. Ishigami, J. Inukai, Y. Nagumo, H. Takano, H. Nishide and M. Watanabe
J. Power Sources, 196, No.5, 2635-2639 (2011).

213

Compact Fuel Processor by Employing Monolithic Catalyst for 1kW Class Residential Polymer Electrolyte Fuel Cells

S. Komori, M.kimura, K. Watanabe, T. Takazoe, T. Naoi, T. Miyao, K. Higashiyama, H. Yamashita, and M.Watanabe
J. Jpn. Petrol. Inst., 54, 52-55 (2011).

212

Metal-monolithic Catalyst for Selective CO Methanetion

S. Komori, A. Chan, T. Miyao, K. Higashiyama, H. Yamashita, and M. Watanabe
J. Jpn. Petrol. Inst., 54, 50-51 (2011).

211

Synthesis and Electrochemical Characterization of Pt Catalyst Supported on Sn_0.96Sb_0.04O_2−δ with a Network Structure

K. Kakinuma, M. Uchida, T. Kamino, H. Uchida, and M. Watanabe
Electrochim. Acta, 56, 2881-2887 (2011).

210

Facile Preparation and Electrochemical Behavior of Pt_100-XCo_X(111) Single-Crystal Electrodes in 0.1 M HClO₄

M. Wakisaka, Y. Hyuga, K. Abe, H. Uchida and M. Watanabe
Electrochem. Commun., 13, No.4, 317-320 (2011).

209

Luminescent Sensory Polymer Coating Composed of Platinumporphyrin and Poly(trimethylsilylpropyne) for Real-Time Oxygen Visualization in Operating PEFCs

T. Hyakutake, Y. Ishigami, J. Kato, J. Inukai, K. Miyatake, H. Nishide and M. Watanabe
Macromol. Chem. Phys., 212, 42-47 (2011).

208

In Situ ATR-FTIR Analysis of the CO-Tolerance Mechanism on Pt₂Ru₃/C Catalysts Prepared by the Nanocapsule Method

T. Sato, K. Kunimatsu, K. Okaya, H. Yano, M. Watanabe and H. Uchida
Energy Environ. Sci., 4, No.2, 433-438 (2011).

207

Ni-Fe-Ce Mixed Nano-Composites Oxide Catalyst Prepared by Solution-spray Plasma Technique for High Temperature Water-gas-shift Reaction

K. Watanabe, S. Komori, T. Miyao, K. Higashiyama, H. Yamashita, and M. Watanabe
J. Jpn. Petrol. Inst., 53, 367-368 (2011).

206

Electro-oxidation of Hydrolysed Poly-Oxymethylene-Dimethylether on PtRu Supported Catalysts

D. Devaux, H. Yano, H. Uchida, J. -L. Dubois and M. Watanabe
Electrochim. Acta, 56, No.3, 1460-1465 (2011).

205

Synthesis and Properties of Multiblock Copoly(arylene ether)s Containing Superacid Groups for Fuel Cell Membranes

T. Mikami, K. Miyatake and M. Watanabe
J. Polym. Sci. A: Polym. Chem., 49, No.2, 452-464 (2011).

204

Synthesis and Properties of Anion Conductive Ionomers Containing Fluorenyl Groups for Alkaline Fuel Cell Applications

M. Tanaka, M. Koike, K. Miyatake and M. Watanabe
Polym. Chem., 2, No.1, 99-106 (2011).

2010

203

High Catalytic Performance of Ruthenium-Doped Mesoporous Nickel-Aluminum Oxides for Selective CO Methanation

A. Chen, T. Miyao, K. Higashiyama, H. Yamashita and M. Watanabe
Angew. Chem. Int. Ed., 49, No.51, 9895-9898 (2010).

202

Sulfonated Poly(arylene ether sulfone ketone) Multiblock Copolymers with Highly Sulfonated Block. Fuel Cell Performance

B. Bae, T. Yoda, K. Miyatake, M. Uchida, H. Uchida and M. Watanabe
J. Phys. Chem. B, 114, No.32, 10481-10487 (2010).

201

New Evaluation Method for the Effectiveness of Platinum/Carbon Electrocatalysts under Operating Conditions

M. Lee, M. Uchida, H. Yano, D. A. Tryk, H. Uchida and M. Watanabe
Electrochim. Acta, 55, No.28, 8504-8512 (2010).

200

Temperature Dependence of Oxygen Reduction Activity at Nafion-Coated Pt/Graphitized Carbon Black Catalysts Prepared by the Nanocapsule Method

H. Yano, T. Akiyama, H. Uchida and M. Watanabe
Energy Environ. Sci., 3, No.10, 1511-1514 (2010).

199

Pt-Porpholactone- and -Porphyrin-Based Luminescent Sensory Polymer Coating for Visualization of Oxygen Pressure Distribution on Biplanar Surface

W. Waskitoaji, T. Hyakutake, M. Watanabe, and H. Nishide
Reactive & Functional Polymers, 70, 669-673 (2010).

198

Poly(arylene ether)s Containing Superacid Groups as Proton Exchange Membranes

T. Mikami, K. Miyatake, and M. Watanabe
ACS Appl. Mater. Interfaces, 2, No.6, 1714-1721 (2010).

197

Synthesis, Properties, and Fuel Cell Performance of Perfluorosulfonated Poly(arylene ether)s

T. Shimura, K. Miyatake and M. Watanabe
Bull. Chem. Soc. Jpn., 83, No.8, 960-968 (2010).

196

Proton Conductive Polyimide Ionomer Membranes: Effect of NH, OH, and COOH Groups

J. Saito, M. Tanaka, K. Miyatake, and M. Watanabe
J. Polym. Sci. A: Polym. Chem., 48, No.13, 2846-2854 (2010).

195

In Situ STM Observation of the CO Adlayer on a Pt(110) Electrode in 0.1 M HClO₄ Solution

M. Wakisaka, S. Asizawa, T. Yoneyama, H. Uchida and M. Watanabe
Langmuir, 26, 9191-9194 (2010).

194

Selective Methanation of CO in Hydrogen-Rich Gases Involving Large Amounts of CO₂ over Ru-Modified Ni-Al Mixed Oxide Catalysts

M. Kimura, T. Miyao, S. Komori, A. Chen, K. Higashiyama, H. Yamashita and M. Watanabe
Applied Catalysis A: General, 379, 182-187 (2010).

193

TEM Evaluation of Concerted Prepared Pt₂Ru₃/CB Catalysts Synthesized by the Nanocapsule Method

P. Bele, H. Uchida, K. Okaya, H. Yano, U. Stimming and M. Watanabe
Microscopy and Analysis, 24, No.4, 5-7 (2010).

192

In Situ STM Observation of Morphological Changes of the Pt(111) Electrode Surface during Potential Cycling in 10 mM HF Solution

M. Wakisaka, S. Asizawa, H. Uchida, and M. Watanabe
Phys. Chem. Chem. Phys., 12, No.16, 4184-4190 (2010).

191

Durability of Pt/Graphitized Carbon Catalysts for the Oxygen Reduction Reaction Prepared by the Nanocapsule Method

H. Yano, T. Akiyama, P. Bele, H. Uchida, and M. Watanabe
Phys. Chem. Chem. Phys., 12, No.15, 3806-3814 (2010).

190

Control of Particle Size of Pt and Pt Alloy Electrocatalysts Supported on Carbon Black by the Nanocapsule Method

K. Okaya, H. Yano, H. Uchida, and M. Watanabe
ACS Appl. Mater. Interfaces, 2, No.3, 888-895 (2010).

189

Sulfonated Poly(arylene ether sulfone ketone) Multiblock Copolymers with Highly Sulfonated Block. Synthesis and Properties

B. Bae, K. Miyatake, and M. Watanabe
Macromolecules, 43, No.6, 2684-2691 (2010).

188

Anion Conductive Aromatic Ionomers Containing Fluorenyl Groups

M. Tanaka, M. Koike, K. Miyatake, and M. Watanabe
Macromolecules, 43, No.6, 2657-2659 (2010).

187

Gas Diffusion Electrodes Containing Sulfonated Poly(arylene ether) Ionomer for PEFCs Part 2. Improvement of the Cathode Performance

T. Yoda, T. Shimura, B. Bae, K. Miyatake, M. Uchida, H. Uchida, and M. Watanabe
Electrochim. Acta, 55, No.10, 3464-3470 (2010).

186

Proton-Conductive Aromatic Ionomers Having Highly Sulfonated Blocks for High-Temperature-Operable Fuel Cells

B. Bae, T. Yoda, K. Miyatake, H. Uchida, and M. Watanabe
Angew. Chem. Int. Ed., 49, No.2, 317-320 (2010).

185

In-situ ATR-FTIR Study of Oxygen Reduction at the Pt/Nafion Interface

K. Kunimatsu, T. Yoda, D. A. Tryk, H. Uchida, and M. Watanabe
Phys. Chem. Chem. Phys., 12, No.3, 621-629 (2010).

2009

184

High Temperature Water-Gas Shift Reaction over Hollow Ni-Fe-Al Oxide Nano-Composite Catalysts Prepared by the Solution-Spray Plasma Technique

K. Watanabe, T. Miyao, K. Higashiyama, H. Yamashita, and M. Watanabe
Catal. Commun., 10, No.14, 1952-1955 (2009).

183

Biplanar Visualization of Oxygen Pressure by Sensory Coatings of Luminescent Pt-Porpholactone and -Porphyrin Polymers

W. Waskitoaji, T. Hyakutake, J. Kato, M. Watanabe, and H. Nishide
Chem. Lett., 38, No.12, 1121-1206 (2009).

182

H₂O-Tolerant Monolithic Catalysts for Preferential Oxidation of Carbon Monoxide in the Presence of Hydrogen

N. Maeda, T. Matsushima, M. Kotobuki, T. Miyao, H. Uchida, H. Yamashita, and M. Watanabe
Appl. Catal. A: Gen., 370, No.1-2, 50-53 (2009).

181

Aromatic Ionomers with Superacid Groups

K. Miyatake, T. Shimura, T. Mikami, and M. Watanabe
Chem. Commun., 2009, No.42, 6403-6405 (2009).

180

In situ ATR-FTIR Study of Bulk CO Oxidation on a Polycrystalline Pt Electrode

H. Hanawa, K. Kunimatsu, H. Uchida, and M. Watanabe
Electrochim. Acta, 54, No.26, 6276-6285 (2009).

179

STEM Image Analysis Using LAT Image Processing

P. Bele, U. Stimming, H. Yano, H. Uchida, and M. Watanabe
Image and Microscopy, 11, No.3, 34-38 (2009).

178

Luminescent Multi-Layered Polymer Coating for the Simultaneous Detection of Oxygen Pressure and Temperature

T. Hyakutake, H. Taguchi, J. Kato, H. Nishide, and M. Watanabe
Macromol. Chem. Phys., 210, No.15, 1230-1234 (2009).

177

Synthesis and Properties of Sulfonated Block Copolymers Having Fluorenyl Groups for Fuel-Cell Applications

B. Bae, K. Miyatake, and M. Watanabe
ACS Appl. Mater. Interfaces, 1, No.6, 1279-1286 (2009).

176

Synthesis of Nickel Nanoparticles Supported on Hollow Samaria-Doped Ceria Particles via the Solution-Spray Plasma Technique: Anode Catalysts for SOFCs

R. Nishida, K. Kakinuma, H. Nishino, T. Kamino, H. Yamashita, M. Watanabe, H. Uchida
Solid State Ionics, 180, No.14-16, 968-972 (2009).

175

Role of Adsorbed Species in Methanol Oxidation on Pt Studied by ATR-FTIRAS Combined with Linear Potential Sweep Voltammetry

K. Kunimatsu, H. Hanawa, H. Uchida, M. Watanabe
J. Electroanal. Chem., 632, 109-119 (2009).

174

Oxygen Reduction at the Pt/Carbon Black-Polyimide Ionomer Interface

K. Miyatake, T. Omata, D. A. Tryk, H. Uchida, and M. Watanabe
J. Phys. Chem. C, 113, No.18, 7772-7778 (2009).

173

Gas Diffusion Electrodes Containing Sulfonated Poly (arylene ether) Ionomer for PEFCs: Part 1. Effect of Humidity on the Cathode Performance

T. Yoda, T. Shimura, B. Bae, K. Miyatake, M. Uchida, H. Uchida, and M. Watanabe
Electrochim. Acta, 54, No.18, 4318-4333 (2009).

172

Effect of the Hydrophobic Component on the Properties of Sulfonated Poly(arylene ether sulfone)s

B. Bae, K. Miyatake, and M. Watanabe
Macromolecules, 42, No.6, 1873-1880 (2009).

171

Temperature-Dependence of Hydrogen Oxidation Reaction Rates and CO-Tolerance at Carbon-Supported Pt, Pt-Co, and Pt-Ru Catalysts

H. Uchida, K. Izumi, K. Aoki, and M. Watanabe
Phys. Chem. Chem. Phys., 11, No.11, 1771-1779 (2009).

170

Polarization Properties of La_0.6Sr_0.4Co_0.2Fe_0.8O₃-Based Double Layer-Type Oxygen Electrodes for Reversible SOFCs

Y. Tao, H. Nishino, S. Ashidate, H. Kokubo, M. Watanabe, and H. Uchida
Electrochim. Acta, 54, No.12, 3309-3315 (2009).

169

Effects of the Decomposition Pproducts of Sulfonated Polyimide and Nafion Membranes on the Degradation and Recovery of Electrode Performance in PEFCs

A. Kabasawa, J. Saito, K. Miyatake, H. Uchida, and M. Watanabe
Electrochim. Acta, 54, No.10, 2754-2760 (2009).

168

Identification and Quantification of Oxygen Species Adsorbed on Pt(111) Single-Crystal and Polycrystalline Pt Electrodes by Photoelectron Spectroscopy

M. Wakisaka, H. Suzuki, S. Mitsui, H. Uchida, and M. Watanabe
Langmuir, 25, No.4, 1897-1900 (2009).

167

Durability of a Novel Sulfonated Polyimide Membrane in Polymer Electrolyte Fuel Cell Operation

A. Kabasawa, J. Saito, H. Yano, K. Miyatake, H. Uchida, and M. Watanabe
Electrochim. Acta, 54, No.3, 1076-1082 (2009).

2008

166

Poly(arylene ether) Ionomers Containing Sulfofluorenyl Groups: Effect of Electron-withdrawing Groups on the Properties

T. Shimura, K. Miyatake, and M. Watanabe
Eur. Polym. J., 44, No.12, 4054-4062 (2008).

165

Influence of Decomposition Products from Perfluorosulfonic Acid Membrane on Fuel Cell Performance

A. Kabasawa, H. Uchida, and M. Watanabe
Electrochem. Solid-State Lett., 11 No. 10, B190-B192 (2008).

164

Temperature Dependence of Co-adsorption of Carbon Monoxide and Water on Highly Dispersed Pt/C and PtRu/C Electrodes Studied by In-Situ ATR-FTIRAS

M. Watanabe, T. Sato, K. Kunimatsu, and H. Uchida
Electrochim. Acta, 53, No. 23, 6928-6937 (2008).

163

Role of Terrace/Step Edge Sites in CO Adsorption/Oxidation on a Polycrystalline Pt Electrode Studied by In Situ ATR-FTIR Method

K. Kunimatsu, T. Sato, H. Uchida, and M. Watanabe
Electrochim. Acta, 53, No. 21, 6104-6110 (2008).

162

Temperature Dependence of Oxygen Reduction Activity at Carbon-Supported Pt_XCo (X ) 1, 2, and 3) Alloy Catalysts Prepared by the Nanocapsule Method

H. Yano, J. M. Song, H. Uchida, and M. Watanabe
J. Phys. Chem. C, 112, 8372-8380 (2008).

161

Performance of Pt-Fe/Mordenite Monolithic Catalysts for Preferential Oxidation of Carbon Monoxide in a Reformate Gas for PEFCs

N. Maeda, T. Matsushima, H. Uchida, H. Yamashita, and M.Watanabe
Appl. Catal. A, 341, No.1-2, 93-97 (2008).

160

Substituents Effect on the Properties of Sulfonated Polyimide Copolymers

K. Miyatake, T. Yasuda, and M. Watanabe
J. Polym. Sci. A: Polym. Chem., 46, No. 13, 4469-4478 (2008).

159

In Situ Analysis of Oxygen Partial Pressure at the Cathode Catalyst Layer/Membrane Interface During PEFC Operation

S. Takaichi, H. Uchida, and M. Watanabe
Electrochim. Acta, 53, No. 14, 4699-4705 (2008).

158

In Situ and Real-Time Visualisation of Oxygen Distribution in DMFC Using a Porphyrin Dye Compound

J. Inukai, K. Miyatake, Y. Ishigami, M. Watanabe, T. Hyakutake, H. Nishide, Y. Nagumo, M. Watanabe and A. Tanaka
Chem. Commun., 2008, No.15, 1750-1752 (2008).

157

Synthesis and Properties of Polyimide Ionomers Containing 1H-1,2,4-Triazole Groups

J. Saito, K. Miyatake, and M. Watanabe
Macromolecules, 41, 2415-2420 (2008).

156

Adsorption/Oxidation of CO on Highly Dispersed Pt Catalyst Studied by Combined Electrochemical and ATR-FTIRAS Methods: Oxidation of CO Adsorbed on Carbon-Supported Pt Catalyst and Unsupported Pt Black

K. Kunimatsu, T. Sato, H. Uchida, and M. Watanabe
Langmuir, 24, No.7, 3590 - 3601 (2008).

155

Direct Visualization of Oxygen Distribution in Operating Fuel Cells

J. Inukai, K. Miyatake, K. Takada, M. Watanabe, T. Hyakutake, H. Nishide, Y. Nagumo, M. Watanabe, M. Aoki, and H. Takano
Angew. Chem. Int. Ed., 47, No.15, 2792-2795 (2008).

154

Increased Oxygen Coverage at Pt-Fe Alloy Cathode for the Enhanced Oxygen Reduction Reaction Studied by EC-XPS

M. Wakisaka, H. Suzuki, S. Mitsui, H. Uchida, and M. Watanabe
J. Phys. Chem. C, 112, No. 7, 2750-2755 (2008).

153

Sulfonated Poly(arylene ether sulfone) Ionomers Containing Fluorenyl Groups for Fuel Cell Applications

B. Bae, K. Miyatake, and M. Watanabe
J. Membr. Sci, 310, No.1-2, 110-118 (2008).

2007

152

Gas Diffusion Electrodes Containing Sulfonated Polyether Ionomers for PEFCs

A. B. Beleke, K. Miyatake, H. Uchida, and M. Watanabe
Electrochim. Acta, 53, No. 4, 1972-1978 (2007).

151

Metal Separators Coated with Carbon/Resin Composite Layers for PEFCs

S. Kitta, H. Uchida, and M. Watanabe
Electrochim. Acta, 53, No. 4, 2025-2033 (2007).

150

Adsorption/Oxidation of CO on Highly Dispersed Pt Catalyst Studied by Combined Electrochemical and ATR-FTIRAS Methods: Part 1. ATR-FTIRAS Spectra of CO Adsorbed on Highly Dispersed Pt Catalyst on Carbon Black and Carbon Un-Supported Pt Black

T. Sato, K. Kunimatsu, H. Uchida, and M. Watanabe
Electrochim. Acta, 53, No. 3, 1266-1279 (2007).

149

Response of Specific Resistance Distribution in Electrolyte Membrane to Load Change at PEFC Operation

S. Takaichi, H. Uchida, and M. Watanabe
J. Electrochem. Soc., 154, No. 12, B1373-B1377 (2007).

148

Enhanced Proton Conduction in Polymer Electrolyte Membranes with Acid-Functionalized Polysilsesquioxane

K. Miyatake, T. Tombe, Y. Chikashige, H. Uchida, and M. Watanabe
Angew. Chem. Int. Ed., 46, No. 35, 6646-6649 (2007).

147

Distribution Profile of Hydrogen and Oxygen Permeating in Polymer Electrolyte Membrane Measured by Mixed Potential

S. Takaichi, H. Uchida, and M. Watanabe
Electrochem. Commun., 9, No. 8, 1975-1979 (2007).

146

Oxygen Reduction Activity of Carbon-Supported Pt-M (M = V, Ni, Cr, Co, and Fe) Alloys Prepared by Nanocapsule Method

H. Yano, M. Kataoka, H. Yamashita, H. Uchida, and M. Watanabe
Langmuir, 23, No. 11, 6438-6445 (2007).

145

Effects of Operating Potential and Temperature on Degradation of Electrocatalyst Layer for PEFCs

T. Yoda, H. Uchida, and M. Watanabe
Electrochim. Acta, 52, No. 19, 5997-6005 (2007).

144

Distribution Profile of Water and Suppression of Methanol Crossover in Sulfonated Polyimide Electrolyte Membrane for Direct Methanol Fuel Cells

E. Higuchi, N. Asano, K. Miyatake, H. Uchida, and M. Watanabe
Electrochim. Acta, 52, No. 16, 5272-5280 (2007).

143

Tuned Polymer Electrolyte Membranes Based on Aromatic Polyethers for Fuel Cell Applications

K. Miyatake, Y. Chikashige, E. Higuchi, and M. Watanabe
J. Am. Chem. Soc., 129, No. 13, 3879-3887 (2007).

142

New Metal Separators Coated with Carbon/Resin Composite Layers for PEFCs

S. Kitta, T. Okumoto, H. Uchida, and M. Watanabe
Electrochemistry, 75, No. 2, 213-216 (2007).

141

Temperature-Dependence of Direct Methanol Oxidation Rates at Various Platinum Alloy Electrodes

H. Uchida, K. Takeuchi, N. Wakabayashi, and M. Watanabe
Electrochemistry, 75, No. 2, 184-186 (2007).

140

Effect of Cross-Linking on Polyimide Ionomer Membranes

K. Miyatake, N. Asano, T. Tombe, and M. Watanabe
Electrochemistry, 75, No. 2, 122-125 (2007).

139

Nano-Sized Ni Particles on Hollow Alumina Ball: Catalysts for Hydrogen Production

M. Watanabe, H. Yamashita, X. Chen, J. Yamanaka, M. Kotobuki, H. Suzuki, and H. Uchida
Appl. Catal. B, 71, No. 3-4, 237-245 (2007).

138

Synthesis and Properties of a Polyimide Containing Pendant Sulfophenoxy Groups

K. Miyatake, T. Yasuda, M. Hirai, M. Nanasawa, and M. Watanabe
J. Polym. Sci. A: Polym. Chem., 45, 157-163 (2007).

2006

137

Emerging Membrane Materials for High Temperature Polymer Electrolyte Fuel Cells: Durable Hydrocarbon Ionomers

K. Miyatake, and M. Watanabe
J. Mater. Chem., 16, No. 46, 4465-4467 (2006).

136

Electronic Structures of Pt-Co and Pt-Ru Alloys for CO-Tolerant Anode Catalysts in Polymer Electrolyte Fuel Cells Studied by EC-XPS

M. Wakisaka, S. Mitsui, Y. Hirose, K. Kawashima, H. Uchida, and M. Watanabe
J. Phys. Chem. B, 110, No. 46, 23489-23496 (2006).

135

Temperature Dependence of CO-Tolerant Hydrogen Oxidation Reaction Activity at Pt, Pt-Co, and Pt-Ru Electrodes

H. Uchida, K. Izumi, and M. Watanabe
J. Phys. Chem. B, 110, No. 43, 21924-21930 (2006).

134

Particle-Size Effect of Nanoscale Platinum Catalysts in Oxygen Reduction Reaction: an Electrochemical and ¹⁹⁵Pt EC-NMR Study

H. Yano, J. Inukai, H. Uchida, M. Watanabe, P. K. Babu, T. Kobayashi, J. H. Chung, E. Oldfield, and A. Wieckowski
Phys. Chem. Chem. Phys., 8, No. 42, 4932-4939 (2006).

133

Synthesis of Novel 4,4'-Benzidine Derivatives with Sulfonic Acid Groups

M. Nanasawa, S. Yamashita, M. Hirai, K. Miyatake, and M. Watanabe
Org. Prep. Proc. Int., 38, No. 3, 341-344 (2006).

132

Durability of Novel Sulfonated Poly(arylene ether) Membrane in PEFC Operation

M. Aoki, Y. Chikashige, K. Miyatake, H. Uchida, and M. Watanabe
Electrochem. Commun., 8, No. 9, 1412-1416 (2006).

131

Decomposition Mechanism of Perfluorosulfonic Acid Electrolyte in Polymer Electrolyte Fuel Cells

M. Aoki, H. Uchida, and M. Watanabe
Electrochem. Commun., 8, No. 9, 1509-1513 (2006).

130

Branched and Cross-Linked Proton Conductive Poly(arylene ether sulfone) Ionomers: Synthesis and Properties

Y. Chikashige, Y. Chikyu, K. Miyatake, and M. Watanabe
Macromol. Chem. Phys., 207, 1334-1343 (2006).

129

Temperature Dependence of Oxygen Reduction Activity at Nafion-Coated Bulk Pt and Pt/Carbon Black Catalysts

H. Yano, E. Higuchi, H. Uchida, and M. Watanabe
J. Phys. Chem. B, 110, No. 33, 16544-16549 (2006).

128

Gas Diffusion Electrodes for Polymer Electrolyte Fuel Cell Using Sulfonated Polyimide

E. Higuchi, K. Okamoto, K. Miyatake, H. Uchida, and M. Watanabe
Res. Chem. Intermed., 32, No. 5-6, 533-542 (2006).

127

Electron Tomography of Nafion Ionomer Coated on Pt/Carbon Black in High Utilization Electrode for PEFCs

H. Uchida, J. M. Song, S. Suzuki, E. Nakazawa, N. Baba, and M. Watanabe
J. Phys. Chem. B, 110, No. 27, 13319-13321 (2006).

126

High Catalytic Performance of Pt-Fe Alloy Nanoparticles Supported in Mordenite Pores for Preferential CO Oxidation in H₂-Rich Gas

M. Kotobuki, A. Watanabe, H. Uchida, H. Yamashita, and M. Watanabe
Appl. Catal. A, 307, No. 2, 275-283 (2006).

125

Preparation of High Catalyst Utilization Electrodes for Polymer Electrolyte Fuel Cells

J. M. Song, S. Suzuki, H. Uchida, and M. Watanabe
Langmuir, 22, No. 14, 6422-6428 (2006).

124

Investigation of Direct Methanol Fuel Cell Performance of Sulfonated Polyimide Membrane

J. M. Song, K. Miyatake, H. Uchida, and M. Watanabe
Electrochim. Acta, 51, No. 21, 4497-4504 (2006).

123

Durability of Sulfonated Polyimide Membrane Evaluated by Long-Term Polymer Electrolyte Fuell Cell Operation

M. Aoki, N. Asano, K. Miyatake, H. Uchida, M. Watanabe
J. Electrochem. Soc., 153, No. 6, A1154-1158 (2006).

122

Synthesis and Properties of Polyimides Bearing Acid Groups on Long Pendant Aliphatic Chains

T. Yasuda, Y. Li, K. Miyatake, M. Hirai, M. Nanasawa, and M. Watanabe
J. Polym. Sci. Part A: Polym. Chem., 44, 3995-4005 (2006).

121

Preparation of Highly Dispersed SiO₂ and Pt Particles in　Nafion112 for Self-Humidifying Electrolyte Membranes in Fuel Cells

H. Hagihara, H. Uchida, and M. Watanabe
Electrochim. Acta, 51, No. 19, 3979-3985 (2006).

120

Polarization Behavior of SDC Cathode with Highly Dispersed Ni Catalysts for Solid Oxide Electrolysis Cells

N. Osada, H. Uchida, and M. Watanabe
J. Electrochem. Soc., 153, No. 5, A816-820 (2006).

119

Sulfonated Block Polyimide Copolymers as a Proton-Conductive Membrane

N. Asano, K. Miyatake, and M. Watanabe
J. Polym. Sci. Part A: Polym. Chem., 44, 2744-2748 (2006).

118

In Situ Infrared Spectroscopic and Electrochemical Study of Hydrogen Electro-Oxidation on Pt Electrode in Sulfuric Acid

K. Kunimatsu, H. Uchida, M. Osawa, and M. Watanabe
J. Electroanal. Chem., 587, No. 2, 299-307 (2006).

117

Aliphatic/Aromatic Polymide Ionomers as a Proton Conductive Membrane for Fuel Cell Applications

N. Asano, M. Aoki, S. Suzuki, K. Miyatake, H. Uchida, and M. Watanabe
J. Am. Chem. Soc., 128, 1762-1769 (2006).

116

Interaction of Samaria-Doped Ceria Anode with Highly Dispersed Ni Catalysts in a Medium-Temperature Solid Oxide Fuel Cell during Long-Term Operation

S. Suzuki, H. Uchida, and M. Watanabe
Solid State Ionics, 177, No. 3-4, 359-365 (2006).

2005

115

Reaction Mechanism of Preferential Oxidation of Carbon Monoxide on Pt, Fe, and Pt.Fe/ Mordenite Catalysts

M. Kotobuki, A. Watanabe, H. Uchida, H. Yamashita, and M. Watanabe
J. Catal., 236, 262-269 (2005).

114

Novel Aromatic Polymer Electrolyte with Comb-like Structure: Synthesis and Properties

Y. Li, T. Yasuda, K. Miyatake, and M. Watanabe
Macromol. Chem. Phys., 206, 2390-2395 (2005).

113

Novel Evaluation Method for Degradation Rate of Polymer Electrolytes in Fuel Cells

M. Aoki, H. Uchida, and M. Watanabe
Electrochem. Commun., 7, No. 12, 1434-1438 (2005).

112

XAFS Characterization of Pt-Fe/zeolite Catalysts for Preferential Oxidation of CO in Hydrogen Fuel Gases

M. Kotobuki, T. Shido, M. Tada, H. Uchida, H. Yamashita, Y. Iwasawa, and M. Watanabe
Catalysis Letters, 103, 263-269 (2005).

111

Synthesis and Properties of Ployimide Ionomers Containing Sulfoalkoxy and Fluorenyl Groups

T. Yasuda, K. Miyatake, M. Hirai, M. Nanasawa and M. Watanabe
J. Polym. Sci. A: Polym. Chem., 43, 4439-4445 (2005).

110

Effect of Loading Level in Platinum-Dispersed Carbon Black Electrocatalysts on Oxygen Reduction Activity Evaluated by Rotating Disk Electrode

E. Higuchi, H. Uchida, and M. Watanabe
J. Electroanal. Chem., 583, No. 1, 69-76 (2005).

109

Poly(arylene ether) Ionomers Containing Sulfofluorenyl Groups for Fuel Cell Applications

Y. Chikashige, Y. Chikyu, K. Miyatake and M. Watanabe
Macromolecules, 38, 7121-7126 (2005).

108

Application of Sulfonated Polyimide Membranes to Direct Methanol Fuel Cells

J. M. Song, N. Asano, K. Miyatake, H. Uchida, and M. Watanabe
Chemistry Letters, 34, No. 7, 996-997 (2005).

107

Development of Pt/ZSM-5 Catalyst with High CO Selectivity for Preferential Oxidation of Carbon Monoxide in a Reformed Gas

M. Kotobuki, A. Watanabe, H. Uchida, H. Yamashita, and M. Waranabe
Chemistry Letters, 34, No. 6, 866-867 (2005).

106

Polyimide Electrolyte Membranes Having Fluorenyl and Sulfopropoxy Groups for High Temperature PEFCs

H. Zhou, K. Miyatake, and M. Watanabe
Fuel Cells, 5, No. 2, 296-301 (2005).

105

Structures of CO Adlayer on Pt(100) Electrode in HClO₄ Solution Studied by In Situ STM

M. Wakisaka, T. Ohkanda, T. Yoneyama, H. Uchida and M. Watanabe
Chem. Commun., 2005, No. 21, 2710-2712 (2005).

104

Gas Diffusion Electrodes for Polymer Electrolyte Fuel Cells Using Novel Organic/ Inorganic Hybrid Electrolytes: Effect of Carbon Black Addition in the Catalyst Layer

O. Nishikawa, K. Doyama, K. Miyatake, H. Uchida, and M. Watanabe
Electrochim. Acta, 50, No. 13, 2719-2723 (2005).

103

Synthesis and Properties of Novel Sulfonated Poly(phenylene ether)

K. Miyatake, H. Zhou, and M. Watanabe
J. Polym. Sci. A: Polym. Chem., 43, No. 8, 1741-1744 (2005).

102

Temperature Dependence of Oxygen Reduction Activity at Pt-Fe, Pt-Co, and Pt-Ni Alloy Electrodes

N. Wakabayashi, M. Takeichi, H. Uchida, and M. Watanabe
J. Phys. Chem. B, 109, No. 12, 5836-5841 (2005).

101

Effect of Wet-Proofing Treatment of Carbon Backing Layer in Gas Diffusion Electrodes on the PEFC Performance

J. M. Song, H. Uchida, and M. Watanabe
Electrochemistry, 73, No. 3, 189-193 (2005).

100

Microstructural Analyses of Ceria-Based Anode with Highly Dispersed Ni Electrocatalysts for Medium-Temperature Solid Oxide Fuel Cells

S. Suzuki, H. Uchida, and M. Watanabe
Electrochemistry, 73, No. 2, 128-134 (2005).

99

Recent Progress in Proton Conducting Membranes for PEFCs

K. Miyatake, M. Watanabe
Electrochemistry, 73, No. 1, 12-19 (2005).

98

Temperature-Dependence of Oxygen Reduction Activity at a Platinum Electrode in an Acidic Electrolyte Solution Investigated with a Channel Flow Double Electrode

N. Wakabayashi, M. Takeichi, M. Itagaki, H. Uchida, and M. Watanabe
J. Electroanal. Chem., 574, No. 2, 339-346 (2005).

2004

97

High-Performance Electrode for Steam Electrolysis: Mixed Conducting Ceria-Based Cathode with Highly-Dispersed Ni Electrocatalysts

H. Uchida, N. Osada, and M. Watanabe
Electrochem. Solid-State Lett., 7, No. 12, A500-A502 (2004).

96

Characterization of Methoxy Fuels for Direct Oxidation-Type Fuel Cell

N. Wakabayashi, K. Takeuchi, H. Uchida, and M. Watanabe
J. Electrochem. Soc., 151, No. 10, A1636-A1640 (2004).

95

Preparation of the Electrode for High Temperature PEFCs Using Novel Polymer Electrolytes Based on Organic/inorganic Nanohybrids

O. Nishikawa, T. Sugimoto, S. Nomura, K. Doyama, K. Miyatake, H. Uchida, and M. Watanabe
Electrochim. Acta, 50, No. 2-3, 663-672 (2004).

94

Hydrolytically Stable Polyimide Ionomer for Fuel Cell Applications

N. Asano, K. Miyatake, and M. Watanabe
Chem. Mater., 16, No. 15, 2841-2843 (2004).

93

Proton Conductive Polyimide Electrolytes Containing Trifluoromethyl Groups

K. Miyatake, H. Zhou, T. Matsuo, H. Uchida, and M. Watanabe
Macromolecules, 37, No. 13, 4961-4966 (2004).

92

Proton Conductive Polyimide Electrolytes Containing Fluorenyl Groups

K. Miyatake, H. Zhou, and M. Watanabe
Macromolecules, 37, No. 13, 4956-4960 (2004).

91

Gas Diffusion Electrodes for Polymer Electrolyte Fuel Cells Using Borosiloxane Electrolytes

E. Higuchi, H. Uchida, T. Fujinami, and M. Watanabe
Solid State Ionics, 171, No. 1-2, 45-49 (2004).

90

Gas Diffusion Electrodes for Polymer Electrolyte Fuel Cells Using Novel Organic/Inorganic Hybrid Electrolytes

O. Nishikawa, K. Doyama, K. Miyatake, H. Uchida, and M. Watanabe
Electrochemistry, 72, No. 4, 232-237 (2004).

89

In-Situ ATR-FTIR Spectroscopic Study of Electro-oxidation of Methanol and Adsorbed CO at Pt-Ru Alloy

T. Yajima, H. Uchida, and M. Watanabe
J. Phys. Chem. B, 108, No. 8, 2654-2659 (2004).

2003

88

Novel Sulfonated Poly(arylene ether): A Proton Conductive Polymer Electrolyte Designed for Fuel Cells

K. Miyatake, Y. Chikashige, and M. Watanabe
Macromolecules, 36, No. 26, 9691-9693 (2003).

87

Synthesis and Properties of Novel Sulfonated Polyimides Containing 1,5-Naphthylene Moieties

K. Miyatake, N. Asano, and M. Watanabe
J. Polym. Sci., A.: Polym. Chem., 41, No. 24, 3901-3907 (2003).

86

Hydrogen Purification for Fuel Cells: Selective Oxidation of Carbon Monoxide on Pt-Fe/Zeolite Catalysts

M. Watanabe, H. Uchida, K. Ohkubo, and H. Igarashi
Applied Catalysis B: Environmental, 46, No. 3, 595-600 (2003).

85

High Performance Electrode for Medium-Temperature Solid Oxide Fuel Cells - Mixed Conducting Ceria-Based Anode with Highly-Dispersed Ni Electrocatalysts

H. Uchida, S. Suzuki, and M. Watanabe
Electrochem. Solid-State Lett., 6, No. 9, A174-A177 (2003).

84

Adsorbed Water for the Electro-oxidation of Methanol at Pt-Ru Alloy

T. Yajima, N. Wakabayashi, H. Uchida, and M. Watanabe
Chem. Commun., 2003 , No. 7, 828-829 (2003).

83

Highly Proton Conductive Polyimide Electrolytes Containing Fluorenyl Groups

K. Miyatake, H. Zhou, H. Uchida, and M. Watanabe
Chem. Commun., 2003, No. 3, 368-369 (2003).

82

Self-Humidifying Electrolyte Membranes for Fuel Cells - Preparation of Highly Dispersed TiO₂ Particles in Nafion 112

H. Uchida, Y. Ueno, H. Hagihara, and M. Watanabe
J. Electrochem. Soc., 150, No. 1, A57-A62 (2003).

2002

81

Temperature-Dependence of Methanol Oxidation Rates at PtRu and Pt Electrodes

N. Wakabayashi, H. Uchida, and M. Watanabe
Electrochem. Solid-State Lett., 5, No. 11, E62-E65 (2002).

80

Proton Conducting Boroshiloxane Solid Electrolytes and Their Composites with Nafion

H. Suzuki, Y. Yoshida, M. A. Mehta, M. Watanebe, and T. Fujinami
Fuel Cells, 2, No. 1, 46-51 (2002).

79

Properties of ab-PBI Membranes for Fuel Cells

H. Uchida, Y. Yamada, N. Asano,M. Watanabe, and M. Litt
Electrochemistry, 70, No. 12, 943-945 (2002).

78

Electrochemical Quartz Crystal Microbalance Analysis of CO-Tolerance at Pt-Fe Alloy Electrodes

H. Uchida, H. Ozuka, and M. Watanabe
Electrochim. Acta, 47 , No. 22-23, 3629-3636 (2002).

77

Suppression of Methanol Crossover and Distribution of Ohmic Resistance in Pt-Dispersed PEMs under DMFC Operation - Experimental Analyses

H. Uchida, Y. Mizuno, and M. Watanabe
J. Electrochem. Soc., 149, No. 6, A682-A687 (2002).

76

High Performance Electrode for Medium-Temperature Solid Oxide Fuel Cells - Control of Microstructure of La(Sr)CoO₃ Cathode with Highly Dispersed Pt Electrocatalysts

H. Uchida, S. Arisaka, and M. Watanabe
J. Electrochem. Soc., 149, No. 2, A13-A18 (2002).

75

In situ STM Imaging of Surface Dissolution and Rearrangement of a PtFe Alloy Electrocatalyst in Electrolyte Solution

L-J. Wan, T. Moriyama, M. Ito, H. Uchida and M. Watanabe
Chem. Commun., 2002, No. 1, 58-59 (2002).

2001

74

Interaction of Samaria-Doped Ceria Anode with Highly Dispersed Ni Catalysts in a Medium-Temperature Solid Oxide Fuel Cell during Long-Term Operation

H. Igarashi, H. Uchida and M. Watanabe
Studies in Surface Science and Catalysis, 132, 953-958 (2001).

73

Synthesis and Properties of Poly(arylene ether)s Bearing Sulfonic Acid Groups on Pendant Phenyl Groups

K. Miyatake and A. S. Hay
J. Polym. Sci. A: Polym. Chem., 39, 3211-3217 (2001).

72

Synthesis and Properties of Novel Sulfonated Arylene Ether / Fluorinated Alkane Copolymers

K. Miyatake, K. Oyaizu, E. Tsuchida and A. S. Hay
Macromolecules, 34, 2065-2071 (2001).

71

Analyses of the Preferential Oxidation of Carbon Monoxide in Hydrogen-Rich Gas over Noble Metal Catalysts Supported on Mordenite

H. Igarashi, H. Uchida, and M. Watanabe
Studies in Surface and Catalysis, 132, 953-958 (2001).

70

CO Tolerance of Pt Alloy Electrocatalysts for Polymer Electrolyte Fuel Cells and the CO Detoxification Mechanism

H. Igarashi, T. Fujino, Y. Zhu, H. Uchida, and M. Watanabe
Phys. Chem. Chem. Phys., 3, No. 3, 306-314 (2001).

69

Attenuated Total Reflection-Fourier Transform Infrared Study of Methanol Oxidation on Sputtered Pt Film Electrode

Y. Zhu, H. Uchida, T. Yajima, and M. Watanabe,
Langmuir, 17, No. 1, 146-154 (2001).

2000

68

High-Performance Electrode for Medium-Temperature Solid Oxide Fuel Cells - Activation of La(Sr)CoO₃ Cathode with Highly Dispersed Pt Metal Electrocatalysts

H. Uchida, S. Arisaka, and M. Watanabe,
Solid State Ionics, 135, No. 1-4, 347-351 (2000).

67

In situ STM Obsevation with Atomic Resolution on Platinum Film Electrodes Formed by a Sputtering Method

S. L. Yau, T. Moriyama, H. Uchida, and M. Watanabe,
Chem. Commun., 2000, No. 22, 2279-2280 (2000).

66

Effect of Polymer Electrolyte Membrane's Property on Fuel Cell Performances

M. Watanabe, H. Uchida, and H. Igarashi
Macromolecular Symposia, 156, 223-230 (2000).

65

Suppression of Methanol Crossover in Pt-Dispersed Polymer Electrolyte Membrane for Direct Methanol Fuel Cells

H. Uchida, Y. Mizuno, and M. Watanabe
Chem. Lett., No. 11, 1268-1269 (2000).

64

Mordenite-Supported Noble Metal Catalysts for Selective Oxidation of Carbon Monoxide in a Reformed Gas

H. Igarashi, H. Uchida, and M. Watanabe
Chem. Lett., No. 11, 1262-1263 (2000).

63

Mechanism of CO Tolerance at Pt-Alloy Anode Catalysts for Polymer Electrolyte Fuel Cells

M. Watanabe, Y. Zhu, H. Igarashi, and H. Uchida
Electrochemistry., 68, No. 4, 244-251 (2000).

62

Oxidation of CO on Pt-Fe Alloy Electrode Studied by Surface Enhanced Reflection Absorption Spectroscopy

M. Watanabe, Y. Zhu, and H. Uchida
J. Phys. Chem. B, 104, No. 8, 1762-1768 (2000).

1999

61

Oxidation of Carbon Monoxide at a Platinum Film Electrode Studied by FTIR Spectroscopy with Attenuated Total Reflection Technique

Y. Zhu, H. Uchida, and M. Watanabe
Langmuir, 15, No. 25, 8757-8764 (1999).

60

Design of CO Tolerant Anode Catalysts for Polymer Electrolyte Fuel Cells

M. Watanabe, H. Igarashi, andT. Fujino
Electrochemistry, 67, No. 12, 1194-1196 (1999).

59

Enhancement of the Electroreduction of Oxygen on Pt Alloys with Fe, Ni and Co

T. Toda, H. Igarashi, H. Uchida, and M. Watanabe
J. Electrochem. Soc., 146, No. 10, 3750-3756 (1999).

58

High-Performance Electrode for Medium-Temperature Solid Oxide Fuel Cells - La(Sr)CoO₃ Cathode with Ceria Interlayer on Zirconia Electrolyte

H. Uchida, S. Arisaka, and M. Watanabe,
Electrochem. Solid-State Lett., 2, No. 9, 428-430 (1999).

57

High-Performance Electrode for Medium-Temperature Solid Oxide Fuel Cells - Control of Microstructure of Ceria-Based Anodes with Highly Dispersed Ruthenium Electrocatalysts

H. Uchida, T. Osuga, and M. Watanabe,
J. Electrochem. Soc., 146, No. 5, 1677-1682 (1999).

56

Effects of Ionic Conductivity of Zirconia Electrolytes on the Polarization Behavior of Various Cathodes in Solid Oxide Fuel Cells

H. Uchida, M. Yoshida, and M. Watanabe
J. Electrochem. Soc., 146, No. 1, 1-7 (1999).

55

Enhancement of the Electrocatalytic O₂ Reduction on Pt-Fe Alloys

T. Toda, H. Igarashi, and M. Watanabe
J. Electroanal. Chem., 460, No. 1-2, 258-263(1999).

1998

54

Role of Electronic Property of Pt and Pt-Alloy on Electrocatalytic Reduction of Oxygen

T. Toda, H. Igarashi, and M. Watanabe
J. Electrochem. Soc., 145, No. 12, 4185-4188 (1998).

53

Electrochemical Quartz Crystal Microbalance Study of Copper Ad-atoms on Au(111) Electrodes in Solutions of Perchloric and Sulfuric Acid

H. Uchida, M. Hiei, and M. Watanabe
J. Electroanal. Chem., 452, No. 1, 97-106 (1998).

52

Photocatalytic Degradation of Trichlorobenzene Using Immobilized TiO₂ Films Containing Poly(tetrafluoroethylene) and Platinum Metal Catalyst

H. Uchida, S. Katoh, and M. Watanabe
Electrochim. Acta, 43, No. 14-15, 2111-2116 (1998).

51

Polymer Electrolyte Membranes Incorporated with Nanometer-Size Particles of Pt and/or Metal-Oxides, Experimental Analysis of Self-Humidification and Suppression of Gas-Crossover in Fuel Cells

M. Watanabe, H. Uchida, and M. Emori
J. Phys. Chem. B, 102, No. 17, 3129-3137 (1998).

50

Analyses of Self-Humidification and Suppression of Gas-Crossover in Pt-Dispersed Polymer Electrolyte Membranes for Fuel Cells

M. Watanabe, H. Uchida, and M. Emori
J. Electrochem. Soc., 145, No. 4, 1137-1141 (1998).

49

High Performance Electrode for Medium Temperature Solid Oxide Fuel Cells - Effect of Composition and Microstructures on Performance of Ceria-Based Anodes

H. Uchida, H. Suzuki, and M. Watanabe,
J. Electrochem. Soc., 145, No. 2, 615-620 (1998).

1997

48

Removal of Carbon Monoxide from Hydrogen-rich Fuels by Selective Oxidation over Platinum Catalyst Supported on Zeolite

H. Igarashi, H. Uchida, M. Suzuki, Y. Sasaki, and M. Watanabe,
Appl. Catalysis A, 159, 159-169 (1997).

47

Evaluation of the Performance Degradation at Phosphoric Acid Fuel Cells, Dealloying Process of Pt-Co-Ni Electrocatalysts

N. Nakajima, H. Miyoshi, K. Nishizaki, T. Kitai, H. Uchida, and M. Watanabe,
Denki Kagaku, 65, No. 10, 876-877 (1997).

46

Electrochemical Quartz Crystal Microbalance Study of Halide Adsorption and Concomitant Change of Surface Excess of Water on Highly Ordered Au(111)

H-W. Lei, H. Uchida, and M. Watanabe,
Langmuir, 13, No. 13, 3523-3528 (1997).

45

Effects of Ionic Conductivity of Zirconia Electrolytes on the Polarization Behavior of Ceria-Based Anodes in Solid Oxide Fuel Cells

M. Watanabe, H. Uchida, and M. Yoshida,
J. Electrochem. Soc., 144, No. 5, 1739-1743 (1997).

44

Electrochemical Quartz Crystal Microbalance Study of Copper Ad-atoms on Gold Electrodes. Part II. Further Discussion on the Specific Adsorption of Anions from Solutions of Perchloric and Sulfuric Acid

H. Uchida, N. Ikeda, and M. Watanabe,
J. Electroanal. Chem., 424, 5-12 (1997).

43

Direct Methanol Oxidation on Platinum Electrodes with Ruthenium Adatoms in Hot Phosphoric Acid

M. Watanabe, Y. Genjima, and K. Turumi
J. Electrochem. Soc., 144, No. 2, 423-428(1997).

1996

42

Self-Humidifying Polymer Electrolyte Membranes for Fuel Cells

M. Watanabe, H. Uchida, Y. Seki, M. Emori, and P. Stonehart
J. Electrochem. Soc., 143, No. 12, 3847-3852 (1996).

41

Electrochemical Quartz Crystal Microbalance Study of Adsorption of Iodide Anion on Highly Ordered Au(111)

H-W. Lei, H. Uchida, and M. Watanabe
J. Electroanal. Chem., 413, 131-136 (1996).

40

An Advanced Gas-Diffusion Electrode for High Performance Phosphoric Acid Fuel Cells

N. Hara, K. Tsurumi, and M. Watanabe
J. Electroanal. Chem., 413, 81-88 (1996).

39

High Performance Electrode for Medium Temperature Operating Solid Oxide Fuel Cells. Activation of La(Sr)MnO₃Cathode with Highly Dispersed Pt Microcrystals

H. Uchida, A. Tsuno, and M. Watanabe
Denki Kagaku, 64, No. 6, 686-687 (1996).

38

Electrochemical Oxidation of Methanol on Platinum Electrodes with Ruthenium Ad-atoms in Hot Phosphoric Acid

M. Watanabe, Y. Genjima, and K. Turumi
Denki Kagaku, 64, No. 6, 462-463 (1996).

37

Electrochemical Evaluation of Fill-level with Electrolyte in Gas Diffusion Electrodes at Phosphoric Acid Fuel Cells

M. Watanabe, H. Uchida, H. Hiratsuka, T. Kitai, K. Nishizaki, N. Nakajima, and H. Miyoshi
Denki Kagaku, 64, No. 6, 460-461 (1996).

36

High-Performance Electrode for Medium-Temperature Operating Solid Oxide Fuel Cells. Polarization Property of Ceria-Based Anode with Highly Dispersed Ruthenium Catalysts in (H₂+CO₂+H₂O)Gas

H. Uchida, N. Mochizuki, and M. Watanabe
J. Electrochem. Soc., 143, No. 5, 1700-1704(1996).

35

Experimental Analysis of Water Behavior in Nafion Electrolyte Under Fuel Cell Operation

M. Watanabe, H. Igarashi, H. Uchida, F. Hirasawa
J. Electroanal. Chem.,399, 239-241 (1996).

1995

34

Hydrogen Electro-oxidation on Platinum Catalysts in the Presence of Trace Carbon Monoxide

H. Igarashi, T. Fujino, and M. Watanabe
J. Electroanal. Chem., 391, 119-123 (1995).

33

High Efficiency Electrochemical Reduction of Carbon Dioxide under High Pressure on a Gas Diffusion Electrode Containing Pt Catalysts

K. Hara, A. Kudo, T. Sakata, and M. Watanabe
J. Electrochem. Soc., 142, No. 4, L57-L59(1995).

32

In-situ Kinetic Studies on Direct Fluorination of Thin Polyethylene Films with QCM

N. Hara, H. Fukumoto, and M. Watanabe
Bull. Chem. Soc. Jpn., 68, No. 4, 1232-1238(1995).

31

Photocatalytic Decomposition of Trichlorobenzene Using TiO₂ Supported on Nickel-Poly(tetrafluoroethylene) Composite Plate

H. Uchida, S. Katoh, and M. Watanabe
Chemistry Letters, No. 4, 261-262(1995).

30

Electrochemical Quartz Crystal Microbalance Study of Silver Ad-atoms on Highly Ordered Au(111) Electrodes in Sulfuric Acid

H. Uchida, M. Miura, and M. Watanabe
J. Electroanal. Chem., 386, No. 1-2, 261-265 (1995).

29

Effects of Ionic Conductivities of Zirconia Electrolytes on Polarization Properties of Platinum Anodes in Solid Oxide Fuel Cells

H. Uchida, M. Yoshida, and M. Watanabe
J. Phys. Chem., 99, No. 10, 3282-3287(1995).

28

An Experimental Prediction of the Preparation Condition of Nafion-Coated Catalyst Layers for PEFCs

M. Watanabe, H. Igarashi, and K. Yoshioka
Electrochim. Acta, 40, No. 3, 329-334 (1995).

27

Electrochemical Quartz Crystal Microbalance Study of Copper Ad-atoms on Highly Ordered Au(111) Electrodes in Sulfuric Acid

M. Watanabe, H. Uchida, M. Miura, and N. Ikeda
J. Electroanal. Chem., 384, 191-195 (1995).

26

Electrochemical Quartz Crystal Microbalance Study of Copper Ad-atoms on Gold and Platinum Electrodes. Part I. Adsorption of Anions in Sulfuric Acid

M. Watanabe, H. Uchida, and N. Ikeda
J. Electroanal. Chem., 380, 255-260 (1995).

25

Pt Catalyst Supported on Zeolite for Selective Oxidation of CO in Reformed Gases

M. Watanabe, H. Uchida, H. Igarashi, and M. Suzuki
Chemistry Letters, No. 1, 21-22 (1995).

1994

24

Activity and Stability of Ordered and Disordered Co-Pt Alloys for Phosphoric Acid Fuel Cell

M. Watanabe, K. Tsurumi, T. Mizukami, T, Nakamura, and P. Stonehart
J. Electrochem. Soc., 141, No. 10, 2659-2668 (1994).

23

Design of Electrocatalyst for CO₂ Reduction. V. Effect of Microcrystalline Structures of Cu-Sn and Cu-Zn Alloys on the Electrocatalysis of CO₂ Reduction

A. Katoh, H. Uchida, M. Shibata, and M. Watanabe
J. Electrochem. Soc., 141, No. 8, 2054-2058 (1994).

22

An Effect of Proton Conductivity in Electrolyte Membranes on Cathode Performances at Polymer Electrolyte Fuel Cells

M. Watanabe, K. Sakairi, and M. Inoue
J. Electroanal. Chem., 375, 415-418 (1994).

21

Noble Metal Catalysts Highly-dispersed on Sm-Doped Ceria For the Application to Internal Reforming Solid Oxide Fuel Cells Operated at Medium Temperature

M. J. Saeki, H. Uchida, and M. Watanabe
Catalysis Letters, 26, 149-157 (1994).

20

High Performance Catalyzed-reaction Layer for Medium Temperature Operating Solid Oxide Fuel Cells

M. Watanabe, H. Uchida, M. Shibata, N. Mochizuki, and K. Amikura
J. Electrochem. Soc., 141, No. 2, 342-346 (1994).

1993

19

Management of the Water Content in Polymer Electrolyte Membranes with Porous Fiber Wicks

M. Watanabe, Y. Satoh, and C. Shimura
J. Electrochem. Soc., 140, No. 11, 3190-3193 (1993).

18

Effect of the Microcrystallite Structures of Cu-Sn and Cu-Zn Alloys on Electroreduction of CO₂

A. Katoh, M. Shibata, and M. Watanabe
Denki Kagaku, 61, No. 7, 805-806 (1993).

17

Selective Oxidation of the Aldehyde Functional Group in the Glycolaldehyde Molecule at Pt Electrodes Modified by Sb Ad-atoms

M. Shibata, N. Furuya, and M. Watanabe
J. Electroanal. Chem., 344, 389-393 (1993).

1991

16

Reduction of Horse Heart Ferricytochrome c at Platinum and Gold Electrodes Modified by Various Ad-atoms

M. Shibata, K. Nakamura, N. Furuya, and M. Watanabe
J. Electroanal. Chem., 314, 179-190 (1991).

15

Design of Alloy Electrocatalysts for CO₂ Reduction III. The Selective and Reversible Reduction of CO₂ at Cu Alloy Electrodes

M. Watanabe, M. Shibata, A. Katoh, M. Azuma, and T. Sakata
J. Electrochem. Soc., 138, No.11, 3382-3389 (1991).

14

A New Wet-Proof Technique of Gas-Diffusion Electrodes

M. Watanabe, C. Shimura, K. Tsurumi, and N. Hara
Chemistry Letters, 1113-1116 (1991).

13

Design of Alloy Electrocatalysts for CO₂ Reduction - Improved Energy Efficiency, Selectivity, and Raccoon Rate for the CO₂ Electroreduction on Cu Alloy Electrodes

M. Watanabe, M. Shibata , A. Katoh, T. Sakata, and M. Azuma
J. Electroanal. Chem., 305, 319-328 (1991).

12

Design of Alloy Electrocatalysts for CO₂ Reduction (I) The Selective and Reversible Reduction of CO₂ at Cu-Ni Alloy Electrodes

M. Watanabe, M. Shibata, A. Katoh, M. Azuma, and T. Sakata
Denki Kagaku, 59, 508-516 (1991).

1990

11

Electrochemical Reduction of Carbon Dioxide to Higher Hydrocarbons in a KHCO₃Aqueous Solution

M. Azuma, K. Hashimoto, M. Watanabe, and T. Sakata
J. Electroanal. Chem., 294, 299-303 (1990).

10

Electrochemical Reduction of Carbon Dioxide on Various Metal Electrodes in Low-Temperature Aqueous KHCO₃ Media

M. Azuma, K. Hashimoto, M. Hiramoto, M. Watanabe, and T. Sakata
J. Electrochem. Soc., 137, 1772-1778 (1990).

9

The Use of Thin Films of Sulfonated Fluoro-polymers for Improvements in the Activity and Durability of Pt Electrocatalysts for Methanol Electrooxidation

M. Watanabe, T. Takahashi, and H. Kita
J. Electroanal. Chem., 284, 511-515 (1990).

1989

8

High Platinum Electrocatalyst Utilizations for Direct Methanol Oxidation

M. Watanabe, S. Saegusa, and P. Stonehart
J. Electroanal. Chem., 271, 213-220 (1989).

7

Influence of the Carbon Backing Paper on Oxygen Reduction Parameters in Phosphoric Acid Fuel Cell Electrodes

M. Watanabe, P. Stonehart, M. Inoue, H. Fukui, and K. Miwa
Chemistry Letters, 1441-1444 (1989).

6

Electrocatalysis by Ad-atoms Part XXV. Electrocatalytic Effects on the Elementary Steps in Ethanol Oxidation by Non-oxygen-adsorbing Ad-atoms

M. Shibata, N. Furuya, and M. Watanabe
J. Electroanal. Chem., 267, 163-170 (1989).

5

Control of Micropore Structures of Porous Oxide Plaques for Molten Carbonate Fuel Cells by a Slurry Sintering Method (II)

M. Watanabe, M. Takao, and Y. Namikawa
Denki Kagaku, 57, 898-901 (1989).

4

Controlling of Micropore Distribution of Porous Gas-Diffusion Electrodes for a Molten Carbonate Fuel Cell by a Slurry Sintering Method (I)

M. Watanabe, M. Takao, and Y. Namikawa
Denki Kagaku, 57, 586-590 (1989).

3

Electrocatalysis by Ad-atoms Part XXIV. Effect of Arrangement of Bi Ad-atoms on Formic Acid Oxidation

M. Shibata, N. Furuya, M. Watanabe, and S. Motoo
J. Electroanal. Chem., 263, 97-108 (1989).

2

The Influence of Platinum Crystallite Size on the Electroreduction of Oxygen

M. Watanabe, H. Sei, and P. Stonehart
J. Electroanal. Chem., 261, 375-387 (1989).

1

Carbon Dioxide Reduction at Low Temperature on Various Metal Electrodes

M. Azuma, K. Hashimoto, M. Hiramoto, M. Watanabe, and T. Sakata
J. Electroanal. Chem., 260, 441-445 (1989).